''Ixobrychus'' is a genus of

bittern Bitterns are birds belonging to the subfamily Botaurinae of the heron family Ardeidae. Bitterns tend to be shorter-necked and more secretive than other members of the family. They were called ''hæferblæte'' in Old English; the word "bittern ...

s, a group of wading

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...

in the heron family Ardeidae. It has a single representative species in each of North America, South America, Eurasia, and Australasia. The tropical species are largely resident, but the two northern species are partially migratory, with many birds moving south to warmer areas in winter. The species of the genus ''Ixobrychus'' are all small, with their four larger relatives being in the genus ''

Botaurus ''Botaurus'' is a genus of bitterns, a group of wading bird in the heron family Ardeidae. The genus name ''Botaurus'' was given by the English naturalist James Francis Stephens, and is derived from Medieval Latin ''butaurus'', "bittern", itself ...

''. They breed in large reedbeds, and can often be difficult to observe except for occasional flight views due to their secretive behaviour. Like other bitterns, they eat fish, frogs, and similar aquatic life.

Taxonomy

The genus ''Ixobrychus'' was introduced in 1828 by the Swedish naturalist

Gustaf Johan Billberg Gustaf Johan Billberg (14 June 1772, Karlskrona – 26 November 1844, Stockholm) was a Swedish botanist, zoologist and anatomist, although professionally and by training he was a lawyer and used science and biology as an avocation. The plant g ...

who listed two members of the genus but did not specify the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specime ...

. This was designated as the

little bittern The little bittern or common little bittern (''Ixobrychus minutus'') is a wading bird in the heron family, Ardeidae. ''Ixobrychus'' is from Ancient Greek ''ixias'', a reed-like plant and ''brukhomai'', to bellow, and ''minutus'' is Latin for "sm ...

Witmer Stone Witmer Stone (September 22, 1866 – May 24, 1939) was an American ornithologist, botanist, and mammalogist, and was considered one of the last of the “great naturalists.” Stone is remembered principally as an ornithologist. He was preside ...

in 1907. The genus name combines the

Ancient Greek Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic p ...

''ixias'', a reed-like plant and ''brukhomai'', to bellow. The genus contains ten species This includes the

New Zealand bittern The New Zealand bittern (''Ixobrychus novaezelandiae'') is an extinct and enigmatic species of heron in the family Ardeidae. It was endemic to New Zealand and was last recorded alive in the 1890s. Common names for this species include New Zea ...

which is now extinct.

Extant species

The

(''Ixobrychus novaezelandiae'') is extinct.

References

* Bird genera {{Pelecaniformes-stub