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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Subsectio: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Theropoda
Cladus: Neotheropoda
Infraclassis: Aves
Cladus: Euavialae
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Euornithes
Cladus: Ornithuromorpha
Cladus: Ornithurae
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Ordo: Pelecaniformes

Familia: Ardeidae
Subfamilia: Ardeinae
Genus: Butorides
Species: B. striata – B. sundevalli – B. virescens

Butorides Blyth, 1852

Ardea subgen. Butorides (protonym)


Ardea javanica Horsfield, 1821, = Butorides striata javanica


Catalogue of the birds in the Museum Asiatic Society: 281.

Vernacular names
español: Garcitas
suomi: Kyyryhaikarat
עברית: אנפה ירוקה
ქართული: მწვანე ყანჩები
한국어: 검은댕기해오라기속
lietuvių: Žalieji naktikovai
Nederlands: Groene reigers
русский: Зелёные кваквы
українська: Мангрова чапля
中文: 綠鷺屬

Butorides is a genus of small herons. It contains three similar species, the green heron or green-backed heron, Butorides virescens, the lava heron (Butorides sundevalli), and the striated heron, Butorides striatus. A fossil species, Butorides validipes, is known from the Early Pleistocene of Florida in the United States. Butorides is from Middle English Butor "bittern" and Ancient Greek -oides, "resembling".[1]

Adults of both extant species are about 44 centimetres (17+1⁄2 inches) long, and have a blue-black back and wings, a black cap and short yellow legs. Juveniles are browner above and streaked below, and have greenish-yellow legs.

The species have different underpart colours, chestnut with a white line down the front in green heron, and white or grey in striated. Both breed in small wetlands on a platform of sticks often in shrubs or trees, sometimes on the ground. The female lays three to five eggs. Both parents incubate for about 20 days until hatching, and feed the young birds which take a further three weeks to fledge.

Butorides herons stand still at the water's edge and wait to ambush prey. They mainly eat small fish, frogs and aquatic insects. They sometimes drop food on the water's surface to attract fish.
Taxonomy and range

The Butorides herons were formerly considered one species, but are now normally split as above, with the green heron breeding in eastern North America, Central America, the West Indies and the Pacific coast of Canada and the United States, and striated heron in the Old World tropics from west Africa to Japan, and in South America.

Birds in central Panama with buff necks have been considered to be hybrids between the two species, but the occurrence of similar birds beyond the range of migratory green herons means that there is still doubt about the species' limits of the Butorides herons.

Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 81. ISBN 978-1-4081-2501-4.

A guide to the birds of Costa Rica (1989), by F. Gary Stiles and Alexander Frank Skutch ISBN 0-8014-2287-6

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