Egrets ( ) are

heron The herons are long-legged, long-necked, freshwater and coastal birds in the family Ardeidae, with 72 recognised species, some of which are referred to as egrets or bitterns rather than herons. Members of the genera ''Botaurus'' and ''Ixobrychus ...

s, generally long-legged wading birds, that have white or buff plumage, developing fine plumes (usually milky white) during the breeding season. Egrets are not a biologically distinct group from herons and have the same build.

Biology

Many egrets are members of the

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

Egretta ''Egretta'' is a genus of medium-sized herons, mostly breeding in warmer climates. Representatives of this genus are found in most of the world, and the little egret, as well as being widespread throughout much of the Old World, has now started ...

'' or '' Ardea'', which also contain other species named as herons rather than egrets. The distinction between a heron and an egret is rather vague, and depends more on appearance than biology. The word "egret" comes from the French word ''aigrette'' that means both "silver heron" and "brush", referring to the long, filamentous feathers that seem to cascade down an egret's back during the breeding season (also called "egrets"). Several of the egrets have been reclassified from one genus to another in recent years; the

great egret The great egret (''Ardea alba''), also known as the common egret, large egret, or (in the Old World) great white egret or great white heron is a large, widely distributed egret. The four subspecies are found in Asia, Africa, the Americas, and ...

, for example, has been classified as a member of either ''Casmerodius'', ''Egretta'', or ''Ardea''. In the 19th and early part of the 20th centuries, some of the world's egret species were endangered by relentless

plume hunting Plume hunting is the hunting of wild birds to harvest their feathers, especially the more decorative plumes which were sold for use as ornamentation, such as aigrettes in millinery. The movement against the plume trade in the United Kingdom w ...

, since hat makers in Europe and the United States demanded large numbers of egret plumes, leading to breeding birds being killed in many places around the world. Several ''Egretta'' species, including the

eastern reef egret The Pacific reef heron (''Egretta sacra''), also known as the eastern reef heron or eastern reef egret, is a species of heron found throughout southern Asia and Oceania. It occurs in two colour morphs with either slaty grey or pure white pluma ...

, the

reddish egret The reddish egret (''Egretta rufescens'') is a medium-sized heron that is a resident breeder in Central America, The Bahamas, the Caribbean, the Gulf Coast of the United States (primarily Texas), and Mexico. The egret is known for its unusual ...

, and the

western reef egret The western reef heron (''Egretta gularis''), also called the western reef egret, is a medium-sized heron found in southern Europe, Africa and parts of Asia. It has a mainly coastal distribution and occurs in several plumage forms: a slaty-grey p ...

, have two distinct colours, one of which is just white. The

little blue heron The little blue heron (''Egretta caerulea'') is a small heron of the genus '' Egretta''. It is a small, darkly colored heron with a two-toned bill. Juveniles are entirely white, bearing resemblance to the snowy egret. During the breeding season ...

has all-white juvenile plumage.

Species in taxonomic order

Great egret The great egret (''Ardea alba''), also known as the common egret, large egret, or (in the Old World) great white egret or great white heron is a large, widely distributed egret. The four subspecies are found in Asia, Africa, the Americas, and ...

or great white egret, ''Ardea alba'' * Great blue heron, ''Ardea herodias'' *

Intermediate egret The intermediate egret, median egret, smaller egret, or yellow-billed egret (''Ardea intermedia'') is a medium-sized heron. Some taxonomists put the species in the genus ''Egretta'' or ''Mesophoyx''. It is a resident breeder from east Africa a ...

, ''Mesophoyx intermedia'' *

Cattle egret The cattle egret (''Bubulcus ibis'') is a cosmopolitan species of heron (family Ardeidae) found in the tropics, subtropics, and warm-temperate zones. It is the only member of the monotypic genus ''Bubulcus'', although some authorities regard it ...

, ''Bubulcus ibis'' * Little egret ''Egretta garzetta'' * Snowy egret, ''Egretta thula'' *

Reddish egret The reddish egret (''Egretta rufescens'') is a medium-sized heron that is a resident breeder in Central America, The Bahamas, the Caribbean, the Gulf Coast of the United States (primarily Texas), and Mexico. The egret is known for its unusual ...

, ''Egretta rufescens'' *

Slaty egret The slaty egret (''Egretta vinaceigula'') is a small, dark egret. It is one of the species to which the ''Agreement on the Conservation of African-Eurasian Migratory Waterbirds'' (AEWA) applies. It is classified as Vulnerable, the biggest thre ...

, ''Egretta vinaceigula'' *

Black egret The black heron (''Egretta ardesiaca''), also known as the black egret, is an African heron. It is well known for its habit of using its wings to form a canopy when fishing. Description The black heron is a medium-sized (42.5–66 cm ...

, ''Egretta ardesiaca'' *

Chinese egret The Chinese egret or Swinhoe's egret (''Egretta eulophotes'') is a threatened species of egret from east Asia. The species was first described by Robert Swinhoe in 1860. Description The Chinese egret averages 68 cm in height. The plumage ...

, ''Egretta eulophotes'' * Eastern reef egret or

Pacific reef heron The Pacific reef heron (''Egretta sacra''), also known as the eastern reef heron or eastern reef egret, is a species of heron found throughout southern Asia and Oceania. It occurs in two colour morphs with either slaty grey or pure white pluma ...

, ''Egretta sacra'' * Western reef egret or

Western reef heron The western reef heron (''Egretta gularis''), also called the western reef egret, is a medium-sized heron found in southern Europe, Africa and parts of Asia. It has a mainly coastal distribution and occurs in several plumage forms: a slaty-grey ...

, ''Egretta gularis'' Egret At Malampuzha Garden

Habitat

Egrets inhabit all continents; although they typically avoid the coldest regions, arid deserts, and very high mountains. They hunt and live in both saltwater and freshwater marshes.

References

External links

* {{wikispecies-inline, Ardeidae
Well written and illustrated Egret article ''Encyclopaedia Britannica''

��USGS+24r5 * * Bird common names