This is a list of mammals of Great Britain. The diversity of

mammal Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or ...

fauna Fauna is all of the animal life present in a particular region or time. The corresponding term for plants is ''flora'', and for fungi, it is '' funga''. Flora, fauna, funga and other forms of life are collectively referred to as '' biota''. Zoo ...

Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It is ...

is somewhat impoverished compared to that of

Continental Europe Continental Europe or mainland Europe is the contiguous continent of Europe, excluding its surrounding islands. It can also be referred to ambiguously as the European continent, – which can conversely mean the whole of Europe – and, by ...

, due to the short period of time between the last

ice age An ice age is a long period of reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages and gree ...

and the flooding of the land bridge between Great Britain and the rest of Europe. Only those land

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

which crossed before the creation of the

English Channel The English Channel, "The Sleeve"; nrf, la Maunche, "The Sleeve" (Cotentinais) or ( Jèrriais), (Guernésiais), "The Channel"; br, Mor Breizh, "Sea of Brittany"; cy, Môr Udd, "Lord's Sea"; kw, Mor Bretannek, "British Sea"; nl, Het Kana ...

and those introduced by humans exist in Great Britain. Native (usually synonymous with "indigenous") species are considered to be species which are today present in the region in question, and have been continuously present in that region since a certain period of time. When applied to Great Britain, three possible definitions of this time constraint are: * a species that colonised the islands during the glacial retreat at the end of the last ice age ( 9500 years ago); * a species that was present when the English Channel was created (c. 8000 years ago); or, * a species that was present in

prehistory Prehistory, also known as pre-literary history, is the period of human history between the use of the first stone tools by hominins 3.3 million years ago and the beginning of recorded history with the invention of writing systems. The use of ...

. This list includes mammals from the small islands around Great Britain and the

Channel Islands The Channel Islands ( nrf, Îles d'la Manche; french: îles Anglo-Normandes or ''îles de la Manche'') are an archipelago in the English Channel, off the French coast of Normandy. They include two Crown Dependencies: the Bailiwick of Jersey, ...

. There are no

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

mammal species in Great Britain, although four distinct

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...

s have arisen on small islands. The following tags are used to highlight the conservation status of each species' British population, as assessed by Natural England and

The Mammal Society The Mammal Society is a British charity devoted to the research and conservation of British mammals. The Mammal Society was formed in 1954, and the inaugural spring conference took place the following year at The University of Exeter. The Mammal ...

in a

Regional Red List A Regional Red List is a report of the threatened status of species within a certain country or region. It is based on the IUCN Red List of Threatened Species, an inventory of the conservation status of species on a global scale. Regional Red ...

, following the criteria of the

International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

Diprotodonts

Order: Diprotodontia Although marsupials are primarily found in the Australian region, the red-necked wallaby has been introduced to parts of Great Britain. Feral populations breed on the island of

Inchconnachan Inchconnachan (''Innis Chonachain'' in Gaelic, meaning 'The Colquhoun's Island') is an island in Loch Lomond in Scotland, in the Trossachs National Park. It is accessible by boat from the village of Luss on the south side of the Loch. The islan ...

Loch Lomond Loch Lomond (; gd, Loch Laomainn - 'Lake of the Elms'Richens, R. J. (1984) ''Elm'', Cambridge University Press.) is a freshwater Scottish loch which crosses the Highland Boundary Fault, often considered the boundary between the lowlands of Ce ...

Argyll and Bute Argyll and Bute ( sco, Argyll an Buit; gd, Earra-Ghàidheal agus Bòd, ) is one of 32 unitary authority council areas in Scotland and a lieutenancy area. The current lord-lieutenant for Argyll and Bute is Jane Margaret MacLeod (14 July 2020) ...

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the ...

, and on the

Isle of Man ) , anthem = "O Land of Our Birth" , image = Isle of Man by Sentinel-2.jpg , image_map = Europe-Isle_of_Man.svg , mapsize = , map_alt = Location of the Isle of Man in Europe , map_caption = Location of the Isle of Man (green) in Europe ...

. Other colonies have existed in

Devon Devon ( , historically known as Devonshire , ) is a ceremonial and non-metropolitan county in South West England. The most populous settlement in Devon is the city of Plymouth, followed by Devon's county town, the city of Exeter. Devon is ...

, the

Peak District The Peak District is an upland area in England at the southern end of the Pennines. Mostly in Derbyshire Derbyshire ( ) is a ceremonial county in the East Midlands, England. It includes much of the Peak District National Park, the southe ...

, and the

Ashdown Forest Ashdown Forest is an ancient area of open heathland occupying the highest sandy ridge-top of the High Weald Area of Outstanding Natural Beauty. It is situated some south of London in the county of East Sussex, England. Rising to an elevation of ...

East Sussex East Sussex is a ceremonial and non-metropolitan county in South East England on the English Channel coast. It is bordered by Kent to the north and east, West Sussex to the west, and Surrey to the north-west. The largest settlement in East Su ...

, and although these are now believed to be locally extinct, occasional sightings continue. Red-necked wallaby442

Family: Macropodidae (kangaroos, wallabies, and kin) * Red-necked wallaby, ''Notamacropus rufogriseus'' introduced

Rodents

Order: Rodentia Rodents are the largest order of mammals, comprising 40% of all species. They are characterised by a single pair of continuously growing incisors in each of the upper and lower

jaws Jaws or Jaw may refer to: Anatomy * Jaw, an opposable articulated structure at the entrance of the mouth ** Mandible, the lower jaw Arts, entertainment, and media * Jaws (James Bond), a character in ''The Spy Who Loved Me'' and ''Moonraker'' * ...

and are native to almost all major landmasses on Earth. Family:

Castoridae The family Castoridae contains the two living species of beavers and their fossil relatives. A highly diverse group of rodents within this family once roamed the earth, but only a single genus is extant today, '' Castor''. Characteristics C ...

(beavers) * Eurasian beaver, ''Castor fiber'' globally, in Great Britain, reintroduced Family: Cricetidae (hamsters, voles, and kin) * European water vole, ''Arvicola amphibius'' globally, in Great Britain * Short-tailed field vole, ''Microtus agrestis'' *

Common vole The common vole (''Microtus arvalis'') is a European rodent. Distribution and habitat The common vole is hardly restricted in means of distribution and habitat and inhabits large areas of Eurasia but, apart from the Orkney vole, not the Bri ...

, ''Microtus arvalis'' **

Orkney vole The Orkney vole (''Microtus arvalis orcadensis'') is a population of the common vole (''Microtus arvalis'') found in the Orkney Islands, off the northern coast of Scotland, as well as in the Channel Island of Guernsey. Orkney voles are about 10% ...

, ''M. a. orcadensis'' *

Bank vole The bank vole (''Myodes glareolus'') is a small vole with red-brown fur and some grey patches, with a tail about half as long as its body. A rodent, it lives in woodland areas and is around in length. The bank vole is found in much of Europe an ...

, ''Myodes glareolus'' Family:

Muridae The Muridae, or murids, are the largest family of rodents and of mammals, containing approximately 1,383 species, including many species of mice, rats, and gerbils found naturally throughout Eurasia, Africa, and Australia. The name Muridae come ...

(mice, rats, and kin) Apodemus sylvaticus (Sardinia)

* Yellow-necked mouse, ''Apodemus flavicollis'' * Wood mouse, ''Apodemus sylvaticus'' ** St Kilda field mouse, ''A. s. hirtensis'' *

Eurasian harvest mouse The harvest mouse (''Micromys minutus'') is a small rodent native to Europe and Asia. It is typically found in fields of cereal crops, such as wheat and oats, in reed beds and in other tall ground vegetation, such as long grass and hedgerows. It ...

, ''Micromys minutus'' *

House mouse The house mouse (''Mus musculus'') is a small mammal of the order Rodentia, characteristically having a pointed snout, large rounded ears, and a long and almost hairless tail. It is one of the most abundant species of the genus '' Mus''. Althoug ...

, ''Mus musculus'' **

St Kilda house mouse The St Kilda house mouse (''Mus musculus muralis'') is an extinct subspecies of the house mouse found only on the islands of the St Kilda archipelago of northwest Scotland. They were first described, alongside the St Kilda field mouse, by nat ...

, ''M. m. muralis'' (extinct c. 1930) *

Black rat The black rat (''Rattus rattus''), also known as the roof rat, ship rat, or house rat, is a common long-tailed rodent of the stereotypical rat genus ''Rattus'', in the subfamily Murinae. It likely originated in the Indian subcontinent, but is n ...

, ''Rattus rattus'' introduced * Brown rat, ''Rattus norvegicus'' introduced Family: Gliridae (dormice) * European edible dormouse, ''Glis glis'' introduced * Hazel dormouse, ''Muscardinus avellanarius'' globally, in Great Britain Family: Sciuridae (squirrels) * Eastern gray squirrel, ''Sciurus carolinensis'' introduced *

Red squirrel The red squirrel (''Sciurus vulgaris'') is a species of tree squirrel in the genus ''Sciurus'' common throughout Europe and Asia. The red squirrel is an arboreal, primarily herbivorous rodent. In Great Britain, Ireland, and in Italy numbers ...

, ''Sciurus vulgaris'' globally, in Great Britain

Lagomorphs

Order: Lagomorpha The lagomorphs comprise two families, Leporidae (

hare Hares and jackrabbits are mammals belonging to the genus ''Lepus''. They are herbivores, and live solitarily or in pairs. They nest in slight depressions called forms, and their young are able to fend for themselves shortly after birth. The ge ...

s and

rabbit Rabbits, also known as bunnies or bunny rabbits, are small mammals in the family Leporidae (which also contains the hares) of the order Lagomorpha (which also contains the pikas). ''Oryctolagus cuniculus'' includes the European rabbit speci ...

s), and Ochotonidae ( pikas). Although they can resemble rodents, and were classified as a

superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...

in that order until the early 20th century, they have since been considered a separate order. They differ from rodents in a number of physical characteristics, such as having four incisors in the upper jaw rather than two. Family: Leporidae (rabbits and hares) * European hare, ''Lepus europaeus'' introduced *

Mountain hare The mountain hare (''Lepus timidus''), also known as blue hare, tundra hare, variable hare, white hare, snow hare, alpine hare, and Irish hare, is a Palearctic hare that is largely adapted to polar and mountainous habitats. Evolution The mountai ...

, ''Lepus timidus'' * European rabbit, ''Oryctolagus cuniculus'' introduced

Eulipotyphlans

Order: Eulipotyphla The order Eulipotyphla contains insectivorous mammals. Hedgehogs are easily recognised by their spines, while gymnures look more like large rats. Shrews and solenodons closely resemble mice, while moles are stout-bodied burrowers. Family: Talpidae (moles) * European mole, ''Talpa europaea'' Family: Soricidae (shrews) *

Lesser white-toothed shrew The lesser white-toothed shrew (''Crocidura suaveolens'') is a tiny shrew with a widespread distribution in Africa, Asia and Europe. Its preferred habitat is scrub and gardens and it feeds on insects, arachnids, worms, gastropods, newts and sm ...

, ''Crocidura suaveolens'' * Eurasian water shrew, ''Neomys fodiens'' *

Common shrew The common shrew (''Sorex araneus''), also known as the Eurasian shrew, is the most common shrew, and one of the most common mammals, throughout Northern Europe, including Great Britain, but excluding Ireland. It is long and weighs , and has ve ...

, ''Sorex araneus'' *

Eurasian pygmy shrew The Eurasian pygmy shrew (''Sorex minutus''), often known simply as the pygmy shrew, is a widespread shrew of the northern Palearctic. Description It measures about in length, not including the tail, and has an average weight of .The hair on t ...

, ''Sorex minutus'' Family:

Erinaceidae Erinaceidae is a family in the order Eulipotyphla, consisting of the hedgehogs and moonrats. Until recently, it was assigned to the order Erinaceomorpha, which has been subsumed with the paraphyletic Soricomorpha into Eulipotyphla. Eulipotyphla ...

(hedgehogs and moonrats) * European hedgehog, ''Erinaceus europaeus'' globally, in Great Britain

Bats

Order: Chiroptera Bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals capable of flight. Bat species account for about 20% of all mammals. Family: Rhinolophidae (horseshoe bats) * Lesser horseshoe bat, ''Rhinolophus hipposideros'' * Greater horseshoe bat, ''Rhinolophus ferrumequinum'' Family:

Vespertilionidae Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilionid family is the most diverse and widely distributed of bat familie ...

(common bats, vesper bats, and kin) *

Western barbastelle The western barbastelle (''Barbastella barbastellus''), also known as the barbastelle or barbastelle bat, is a European bat in the genus ''Barbastella''. This species is found from Portugal to Azerbaijan and from Sweden to Canary Islands, where ...

, ''Barbastella barbastellus'' globally, in Great Britain *

Serotine bat The serotine bat (''Eptesicus serotinus''), also known as the common serotine bat, big brown bat, or silky bat, is a fairly large Eurasian bat with quite large ears. It has a wingspan of around and often hunts in woodland. It sometimes roosts ...

, ''Eptesicus serotinus'' globally, in Great Britain * Bechstein's bat, ''Myotis bechsteini'' *

Brandt's bat Brandt's bat or Brandt's myotis (''Myotis brandtii'') is a species of vesper bat in the family Vespertilionidae. It is native throughout most of Europe and parts of western Asia. Taxonomy and etymology The species was described in 1845 by Ger ...

, ''Myotis brandti'' * Daubenton's bat, ''Myotis daubentoni'' * Greater mouse-eared bat, ''Myotis myotis'' globally, in Great Britain, possibly extirpated *

Whiskered bat The whiskered bat (''Myotis mystacinus'') is a small European bat with long fur. Although uncommon, ''M. mystacinus'' is often found around human habitation and around water; it is similar to Brandt's bat (''Myotis brandtii''), from which it wa ...

, ''Myotis mystacinus'' * Natterer's bat, ''Myotis nattereri'' *

Lesser noctule The lesser noctule, Leisler's bat or the Irish bat (''Nyctalus leisleri''), is a species of insectivorous bat belonging to the vesper bat family, Vespertilionidae. The species was named to honour the naturalist Johann Philipp Achilles Leisler ...

, ''Nyctalus leisleri'' *

Common noctule The common noctule (''Nyctalus noctula'') is a species of insectivorous bat common throughout Europe, Asia, and North Africa. Description The common noctule's short fur is dark brown after moulting in June (males) or July/August (females); lat ...

, ''Nyctalus noctula'' * Nathusius pipistrelle, ''Pipistrellus nathusii'' *

Common pipistrelle The common pipistrelle (''Pipistrellus pipistrellus'') is a small pipistrelle microbat whose very large range extends across most of Europe, North Africa, South Asia, and may extend into Korea. It is one of the most common bat species in the Brit ...

, ''Pipistrellus pipistrellus'' * Soprano pipistrelle, ''Pipistrellus pygmaeus'' *

Brown long-eared bat The brown long-eared bat or common long-eared bat (''Plecotus auritus'') is a small Eurasian insectivorous bat. It has distinctive ears, long and with a distinctive fold. It is extremely similar to the much rarer grey long-eared bat which was on ...

, ''Plecotus auritus'' *

Grey long-eared bat The grey long-eared bat (''Plecotus austriacus'') is a fairly large European bat. It has distinctive ears, long and with a distinctive fold. It hunts above woodland, often by day, and mostly for moths. In captivity, it has also been recorded t ...

, ''Plecotus austriacus'' globally, in Great Britain *

Parti-coloured bat The parti-coloured bat or rearmouse (''Vespertilio murinus'') is a species of vesper bat that lives in temperate Eurasia, from Western and Southern Europe, eastwards over the Caucasus and Iran into Mongolia, north-east China, Korea, Afghanistan a ...

, ''Vespertilio murinus''

Carnivorans

Order:

Carnivora Carnivora is a Clade, monophyletic order of Placentalia, placental mammals consisting of the most recent common ancestor of all felidae, cat-like and canidae, dog-like animals, and all descendants of that ancestor. Members of this group are f ...

There are over 260 species of carnivorans, the majority of which feed primarily on meat. They have a characteristic skull shape and dentition. Mäyrä Ähtäri 4

Family:

Canidae Canidae (; from Latin, ''canis'', "dog") is a biological family of dog-like carnivorans, colloquially referred to as dogs, and constitutes a clade. A member of this family is also called a canid (). There are three subfamilies found within th ...

(dogs) *

Red fox The red fox (''Vulpes vulpes'') is the largest of the true foxes and one of the most widely distributed members of the Order (biology), order Carnivora, being present across the entire Northern Hemisphere including most of North America, Europe ...

, ''Vulpes vulpes'' Family: Mustelidae (weasels, badgers, and kin) *

Asian small-clawed otter The Asian small-clawed otter (''Aonyx cinereus''), also known as the oriental small-clawed otter and the small-clawed otter, is an otter species native to South and Southeast Asia. It has short claws that do not extend beyond the pads of its web ...

, ''Aonyx cinereus'' introduced * Eurasian otter, ''Lutra lutra'' *

European pine marten The European pine marten (''Martes martes''), also known as the pine marten, is a mustelid native to and widespread in most of Europe, Asia Minor, the Caucasus and parts of Iran, Iraq and Syria. It is listed as Least Concern on the IUCN Red List ...

, ''Martes martes'' * European badger, ''Meles meles'' * Stoat, ''Mustela erminea'' , *

Least weasel The least weasel (''Mustela nivalis''), little weasel, common weasel, or simply weasel is the smallest member of the genus '' Mustela,'' family Mustelidae and order Carnivora. It is native to Eurasia, North America and North Africa, and has bee ...

, ''Mustela nivalis'' *

European polecat The European polecat (''Mustela putorius''), also known as the common polecat, black polecat, or forest polecat, is a species of mustelid native to western Eurasia and North Africa. It is of a generally dark brown colour, with a pale underbelly ...

, ''Mustela putorius'' * American mink, ''Neogale vison'' introduced Family:

Felidae Felidae () is the family of mammals in the order Carnivora colloquially referred to as cats, and constitutes a clade. A member of this family is also called a felid (). The term "cat" refers both to felids in general and specifically to the ...

(cats) *

European wildcat The European wildcat (''Felis silvestris'') is a small wildcat species native to continental Europe, Scotland, Turkey and the Caucasus. It inhabits forests from the Iberian Peninsula, Italy, Central and Eastern Europe to the Caucasus. Its fur is ...

, ''Felis silvestris'' globally, in Great Britain **

Scottish wildcat The Scottish wildcat is a European wildcat (''Felis silvestris silvestris'') population in Scotland. It was once widely distributed across Great Britain, but the population has declined drastically since the turn of the 20th century due to habita ...

, ''F. s. silvestris'' Family: Phocidae (earless seals) *

Grey seal The grey seal (''Halichoerus grypus'') is found on both shores of the North Atlantic Ocean. In Latin Halichoerus grypus means "hook-nosed sea pig". It is a large seal of the family Phocidae, which are commonly referred to as "true seals" or " ...

, ''Halichoerus grypus'' * Harbour seal, ''Phoca vitulina''

Even-toed ungulates

Order: Artiodactyla The even-toed ungulates are

ungulate Ungulates ( ) are members of the diverse clade Ungulata which primarily consists of large mammals with hooves. These include odd-toed ungulates such as horses, rhinoceroses, and tapirs; and even-toed ungulates such as cattle, pigs, giraffes, cam ...

s whose weight is borne about equally by the third and fourth toes, rather than mostly or entirely by the third as in perissodactyls. There are about 220 artiodactyl species, including many that are of great economic importance to humans. Cetaceans are also considered to be even-toed ungulates for phylogenetic reasons. Family:

Suidae Suidae is a family of artiodactyl mammals which are commonly called pigs, hogs or swine. In addition to numerous fossil species, 18 extant species are currently recognized (or 19 counting domestic pigs and wild boars separately), classified into ...

(pigs) *

Wild boar The wild boar (''Sus scrofa''), also known as the wild swine, common wild pig, Eurasian wild pig, or simply wild pig, is a suid native to much of Eurasia and North Africa, and has been introduced to the Americas and Oceania. The species is ...

, ''Sus scrofa'' reintroduced Family: Cervidae (deer) *

Roe deer The roe deer (''Capreolus capreolus''), also known as the roe, western roe deer, or European roe, is a species of deer. The male of the species is sometimes referred to as a roebuck. The roe is a small deer, reddish and grey-brown, and well-adapt ...

, ''Capreolus capreolus'' *

Siberian roe deer The Siberian roe deer, eastern roe deer, or Asian roe (''Capreolus pygargus''), is a species of roe deer found in northeastern Asia. In addition to Siberia and Mongolia, it is found in Kazakhstan, the Tian Shan Mountains of Kyrgyzstan, eastern Ti ...

, ''Capreolus pygargus'' , introduced, extirpated *

Red deer The red deer (''Cervus elaphus'') is one of the largest deer species. A male red deer is called a stag or hart, and a female is called a hind. The red deer inhabits most of Europe, the Caucasus Mountains region, Anatolia, Iran, and parts of wes ...

, ''Cervus elaphus'' **

Scottish red deer The Scottish red deer (''Cervus elaphus scoticus'') is a subspecies of red deer, which is native to Great Britain. Like the red deer of Ireland, it migrated from continental Europe sometime in the Stone Age. The Scottish red deer is farmed for m ...

, ''C. e. scoticus'' * Sika deer, ''Cervus nippon'' introduced * European fallow deer, ''Dama dama'' introduced * Water deer, ''Hydropotes inermis'' introduced *

Reeves's muntjac Reeves's muntjac (''Muntiacus reevesi''; ), also known as the Chinese muntjac, is a muntjac species found widely in southeastern China (from Gansu to Yunnan) and Taiwan. It has also been introduced in Europe, western United States and Japan. It ...

, ''Muntiacus reevesi'' introduced Family: Bovidae (cattle, bison, and kin) * European bison, ''Bison bonasus'' reintroduced

Whales and dolphins

Order:

Cetacea Cetacea (; , ) is an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet. They propel them ...

The order Cetacea includes

whale Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. As an informal and colloquial grouping, they correspond to large members of the infraorder Cetacea, i.e. all cetaceans apart from dolphins and ...

dolphin A dolphin is an aquatic mammal within the infraorder Cetacea. Dolphin species belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontoporiidae (the ...

s and

porpoise Porpoises are a group of fully aquatic marine mammals, all of which are classified under the family Phocoenidae, parvorder Odontoceti (toothed whales). Although similar in appearance to dolphins, they are more closely related to narwhals an ...

s. They are the mammals most fully adapted to aquatic life: they have a spindle-shaped, nearly hairless body, protected by a thick layer of blubber, and forelimbs and tail modified to provide propulsion underwater. Family:

Balaenidae Balaenidae () is a family of whales of the parvorder Mysticeti that contains two living genera: the right whales (genus ''Eubalaena''), and in a separate genus, the closely related bowhead whale (genus ''Balaena''). Evolutionary history Bale ...

(right whales and bowhead whales) * North Atlantic right whale, ''Eubalaena glacialis'' globally, possibly extant in Great Britain Family:

Balaenopteridae Rorquals () are the largest group of baleen whales, which comprise the family Balaenopteridae, containing ten extant species in three genera. They include the largest animal that has ever lived, the blue whale, which can reach , and the fin wha ...

(rorquals) * Common minke whale, ''Balaenoptera acutorostrata'' *

Sei whale The sei whale ( , ; ''Balaenoptera borealis'') is a baleen whale, the third-largest rorqual after the blue whale and the fin whale. It inhabits most oceans and adjoining seas, and prefers deep offshore waters. It avoids polar and tropical ...

, ''Balaenoptera borealis'' *

Blue whale The blue whale (''Balaenoptera musculus'') is a marine mammal and a baleen whale. Reaching a maximum confirmed length of and weighing up to , it is the largest animal known to have ever existed. The blue whale's long and slender body can ...

, ''Balaenoptera musculus'' *

Fin whale The fin whale (''Balaenoptera physalus''), also known as finback whale or common rorqual and formerly known as herring whale or razorback whale, is a cetacean belonging to the parvorder of baleen whales. It is the second-longest species of cet ...

, ''Balaenoptera physalus'' *

Humpback whale The humpback whale (''Megaptera novaeangliae'') is a species of baleen whale. It is a rorqual (a member of the family Balaenopteridae) and is the only species in the genus ''Megaptera''. Adults range in length from and weigh up to . The hump ...

, ''Megaptera novaeangliae'' Family:

Phocoenidae Porpoises are a group of fully aquatic marine mammals, all of which are classified under the family Phocoenidae, parvorder Odontoceti (toothed whales). Although similar in appearance to dolphins, they are more closely related to narwhals an ...

(porpoises) * Harbour porpoise, ''Phocoena phocoena'' globally, in Europe Family: Physeteridae (sperm whales) *

Sperm whale The sperm whale or cachalot (''Physeter macrocephalus'') is the largest of the toothed whales and the largest toothed predator. It is the only living member of the genus ''Physeter'' and one of three extant species in the sperm whale famil ...

, ''Physeter macrocephalus'' Family:

Kogiidae Kogiidae is a family comprising at least two extant species of Cetacea, the Pygmy sperm whale, pygmy (''Kogia breviceps)'' and dwarf sperm whale, dwarf (''K. sima)'' sperm whales. As their common names suggest, they somewhat resemble sperm whales ...

(pygmy and dwarf sperm whales) * Pygmy sperm whale, ''K. breviceps'' Family: Ziphiidae (beaked whales) *

Cuvier's beaked whale The Cuvier's beaked whale, goose-beaked whale, or ziphius (''Ziphius cavirostris'') is the most widely distributed of all beaked whales in the family Ziphiidae. It is smaller than most baleen whales yet large among beaked whales. Cuvier's beaked ...

, ''Ziphius cavirostris'' * Northern bottlenose whale, ''Hyperoodon ampullatus'' * Sowerby's beaked whale, ''Mesoplodon bidens'' *

Gervais' beaked whale Gervais's beaked whale (''Mesoplodon europaeus''), sometimes known as the Antillean beaked whale, Gulf Stream beaked whale, or European beaked whale (from which its scientific name is derived) is the most frequently stranding type of mesoplodont ...

, ''Mesoplodon europaeus'' *

True's beaked whale True's beaked whale (''Mesoplodon mirus'') is a medium-sized whale in the genus ''Mesoplodon''. It is native to the northern Atlantic Ocean. The common name is in reference to Frederick W. True, a curator at the United States National Museum (now ...

, ''Mesoplodon mirus'' Family: Delphinidae (oceanic dolphins) * White-beaked dolphin, ''Lagenorhynchus albirostris'' * Atlantic white-sided dolphin, ''Lagenorhynchus acutus'' * False killer whale, ''Pseudorca crassidens'' *

Common dolphin The common dolphin (''Delphinus delphis'') is the most abundant cetacean in the world, with a global population of about six million. Despite this fact and its vernacular name, the common dolphin is not thought of as the archetypal dolphin, with ...

, ''Delphinus delphis'' * Common bottlenose dolphin, ''Tursiops truncatus'' *

Striped dolphin The striped dolphin (''Stenella coeruleoalba'') is an extensively studied dolphin found in temperate and tropical waters of all the world's oceans. It is a member of the oceanic dolphin family (biology), family, Delphinidae. Taxonomy The stripe ...

, ''Stenella coeruleoalba'' * Risso's dolphin, ''Grampus griseus'' *

Orca The orca or killer whale (''Orcinus orca'') is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. It is the only Extant taxon, extant species in the genus ''Orcinus'' and is recognizable by its black ...

, ''Orcinus orca''

Locally extinct

Eurasian elk The moose (in North America) or elk (in Eurasia) (''Alces alces'') is a member of the New World deer subfamily and is the only species in the genus ''Alces''. It is the largest and heaviest extant species in the deer family. Most adult ma ...

, ''Alces alces'' *

Grey wolf The wolf (''Canis lupus''; : wolves), also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America. More than thirty subspecies of ''Canis lupus'' have been recognized, and gray wolves, as popularly ...

, ''Canis lupus'' *

Wolverine The wolverine (), (''Gulo gulo''; ''Gulo'' is Latin for "gluttony, glutton"), also referred to as the glutton, carcajou, or quickhatch (from East Cree, ''kwiihkwahaacheew''), is the largest land-dwelling species of the family Mustelidae. It is ...

, ''Gulo gulo'' * Eurasian lynx, ''Lynx lynx'' *

Reindeer Reindeer (in North American English, known as caribou if wild and ''reindeer'' if domesticated) are deer in the genus ''Rangifer''. For the last few decades, reindeer were assigned to one species, ''Rangifer tarandus'', with about 10 subspe ...

, ''Rangifer tarandus'' *

Brown bear The brown bear (''Ursus arctos'') is a large bear species found across Eurasia and North America. In North America, the populations of brown bears are called grizzly bears, while the subspecies that inhabits the Kodiak Islands of Alaska is kno ...

, ''Ursus arctos''

References

External links

* * {{Fauna of Great Britain Mammals

Mammals Mammals