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Tiny Hawk
The tiny hawk (''Microspizias superciliosus'') is a small diurnal bird of prey found in or near forests, primarily humid, throughout much of the Neotropics. It is primarily a bird-eater, and is known to prey on hummingbirds. Taxonomy The tiny hawk was formally described by the Swedish naturalist Carl Linnaeus in 1766 in the twelfth edition of his '' Systema Naturae'' under the binomial name ''Falco superciliosus''. Linnaeus specified the locality as Suriname. The specific epithet ''superciliosus'' is Latin meaning "eye-browed". There are two subspecies separated by the northern Andes. The two differ most significantly in relative tail length; differences in size and color are small, and can be hard to distinguish. *''A. s. superciliosus'' is found east of the Andes in South America. Slightly the larger of the two subspecies, it is paler and has diffuse, grayish barring on the underparts. *''A. s. fontanieri'' is found from Nicaragua down to western Ecuador. It is somewhat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carl Linnaeus
Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the modern system of naming organisms. He is known as the "father of modern taxonomy". Many of his writings were in Latin; his name is rendered in Latin as and, after his 1761 ennoblement, as . Linnaeus was born in Råshult, the countryside of Småland, in southern Sweden. He received most of his higher education at Uppsala University and began giving lectures in botany there in 1730. He lived abroad between 1735 and 1738, where he studied and also published the first edition of his ' in the Netherlands. He then returned to Sweden where he became professor of medicine and botany at Uppsala. In the 1740s, he was sent on several journeys through Sweden to find and classify plants and animals. In the 1750s and 1760s, he continued to collect an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cere
The beak, bill, or rostrum is an external anatomical structure found mostly in birds, but also in turtles, non-avian dinosaurs and a few mammals. A beak is used for eating, preening, manipulating objects, killing prey, fighting, probing for food, Courtship#Courtship in the animal kingdom, courtship, and feeding young. The terms ''beak'' and ''Rostrum (anatomy), rostrum'' are also used to refer to a similar mouth part in some ornithischians, pterosaurs, cetaceans, dicynodonts, anuran tadpoles, monotremes (i.e. echidnas and platypuses, which have a beak-like structure), Sirenidae, sirens, Tetraodontidae, pufferfish, billfishes and Cephalopod beak, cephalopods. Although beaks vary significantly in size, shape, color and texture, they share a similar underlying structure. Two bony projections – the upper and lower mandibles – are covered with a thin keratinized layer of epidermis known as the rhamphotheca. In most species, two holes called ''nares'' lead to the respiratory system. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sexual Dimorphism
Sexual dimorphism is the condition where the sexes of the same animal and/or plant species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. The condition occurs in most animals and some plants. Differences may include secondary sex characteristics, size, weight, colour, markings, or behavioural or cognitive traits. These differences may be subtle or exaggerated and may be subjected to sexual selection and natural selection. The opposite of dimorphism is ''monomorphism'', which is when both biological sexes are phenotypically indistinguishable from each other. Overview Ornamentation and coloration Common and easily identified types of dimorphism consist of ornamentation and coloration, though not always apparent. A difference in coloration of sexes within a given species is called sexual dichromatism, which is commonly seen in many species of birds and reptiles. Sexual selection leads to the exaggerated dim ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bird Of Prey
Birds of prey or predatory birds, also known as raptors, are hypercarnivorous bird species that actively hunt and feed on other vertebrates (mainly mammals, reptiles and other smaller birds). In addition to speed and strength, these predators have keen eyesight for detecting prey from a distance or during flight, strong feet with sharp talons for grasping or killing prey, and powerful, curved beaks for tearing off flesh. Although predatory birds primarily hunt live prey, many species (such as fish eagles, vultures and condors) also scavenge and eat carrion. Although the term "bird of prey" could theoretically be taken to include all birds that actively hunt and eat other animals, ornithologists typically use the narrower definition followed in this page, excluding both piscivorous predators such as storks, herons, gulls, skuas, penguins and kingfishers, as well as primarily insectivorous birds such as passerine birds (e.g. shrikes) and birds like nightjars and frogmouths. So ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Little Sparrowhawk
The little sparrowhawk (''Accipiter minullus'') is a species of Afrotropical bird of prey in the family Accipitridae. It is the smallest member of the genus ''Accipiter'' and forms a superspecies with the red-thighed sparrowhawk (''Accipiter erythropus''). Description The little sparrowhawk is, as its name suggests a very small bird of prey which is also distinguished by two white spots on the underside of its central tail feathers and by a narrow white patch on the lower rump. It is sexually dimorphic and the male has dark grey upperparts, which can appear almost black, this colour extending on to the cheeks to contrast with the white throat. The underparts are white barred with fine rufous bars. The females are overall browner on the upperparts and the underpart bars are also browner and less fine than the male. The juveniles are browner overall with pale tips to the upperpart feathers and is spotted with grown below rather than barred and the rump feathers have only the tips w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
European Starling
The common starling or European starling (''Sturnus vulgaris''), also known simply as the starling in Great Britain and Ireland, is a medium-sized passerine bird in the starling family, Sturnidae. It is about long and has glossy black plumage with a metallic sheen, which is speckled with white at some times of year. The legs are pink and the bill is black in winter and yellow in summer; young birds have browner plumage than the adults. It is a noisy bird, especially in communal roosts and other gregarious situations, with an unmusical but varied song. Its gift for mimicry has been noted in literature including the ''Mabinogion'' and the works of Pliny the Elder and William Shakespeare. The common starling has about 12 subspecies breeding in open habitats across its native range in temperate Europe and across the Palearctic to western Mongolia, and it has been introduced to Australia, New Zealand, Canada, the United States, Mexico, Argentina, South Africa and Fiji. This bird i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microspizias
''Microspizias'' is a genus of bird of prey in the family Accipitridae. It contains the following species: * Tiny hawk (''Microspizias superciliosus'') * Semicollared hawk (''Microspizias collaris'') Both species were formerly classified in the genus ''Accipiter'', but a 2021 study found them to be strongly phylogenetically distinct, and thus described a new genus (''Microspizias'') for them. This was also followed by the International Ornithological Congress. Etymology ''Microspizias'' derives from the Greek word ''micros'' ("small") and ''spizias'' ("hawk"), literally translating to "small hawk". Taxonomy Phylogenetic evidence indicates that ''Microspizias'' is the sister genus to the lizard buzzard (''Kaupifalco monogrammicus'') of Africa and falls outside the Accipitrinae The Accipitrinae are the subfamily of the Accipitridae often known as the "true" hawks, including all members of '' Accipiter'' and the closely related genera ''Microspizias'', '' Erythrotrior ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lizard Buzzard
The lizard buzzard (''Kaupifalco monogrammicus'') or lizard hawk, is a bird of prey in the family Accipitridae. It is native to Sub-Saharan Africa. Despite its name, it may be more closely related to the ''Accipiter'' hawks than the ''Buteo'' buzzards. Taxonomy Molecular phylogenetic studies have revealed that the lizard buzzard is not closely related to ''Buteo'' buzzards but rather to ''Accipiter'' hawks. This extends to morphological associations, e.g. the lizard buzzard has pointed and fairly short wings. Despite the lizard buzzard inhabiting Africa, phylogenetic evidence indicates that its closest relatives are the two ''Microspizias'' hawks of Central and South America.'''' Description The lizard buzzard is a smallish stocky raptor with a total body length of 35–37 cm and a wingspan of about 79 cm. Males weigh 246 g, females 304 g on average. The upperparts, head and breast are grey. There is a vertical black line on the white throat, which distinguishes this ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DNA Sequence
DNA sequencing is the process of determining the nucleic acid sequence – the order of nucleotides in DNA. It includes any method or technology that is used to determine the order of the four bases: adenine, guanine, cytosine, and thymine. The advent of rapid DNA sequencing methods has greatly accelerated biological and medical research and discovery. Knowledge of DNA sequences has become indispensable for basic biological research, DNA Genographic Projects and in numerous applied fields such as medical diagnosis, biotechnology, forensic biology, virology and biological systematics. Comparing healthy and mutated DNA sequences can diagnose different diseases including various cancers, characterize antibody repertoire, and can be used to guide patient treatment. Having a quick way to sequence DNA allows for faster and more individualized medical care to be administered, and for more organisms to be identified and cataloged. The rapid speed of sequencing attained with modern D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anatomy
Anatomy () is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, having its beginnings in prehistoric times. Anatomy is inherently tied to developmental biology, embryology, comparative anatomy, evolutionary biology, and phylogeny, as these are the processes by which anatomy is generated, both over immediate and long-term timescales. Anatomy and physiology, which study the structure and function (biology), function of organisms and their parts respectively, make a natural pair of related disciplines, and are often studied together. Human anatomy is one of the essential basic research, basic sciences that are applied in medicine. The discipline of anatomy is divided into macroscopic scale, macroscopic and microscopic scale, microscopic. Gross anatomy, Macroscopic anatomy, or gross anatomy, is the examination of an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Foramen
In anatomy and osteology, a foramen (; in Merriam-Webster Online Dictionary '. plural foramina, or foramens ) is an open hole that is present in extant or extinct s. Foramina inside the of typically allow , |
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