Myiagra
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Myiagra

Myiagra
Broad billed flycatcher1.jpg
Broad-billed flycatcher
Myiagra ruficollis
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Monarchidae
Genus: Myiagra
Vigors & Horsfield, 1827
Species

see text

Synonyms
  • Piezorhynchus
  • Seisura

Myiagra is a genus of passerine birds in the family Monarchidae, the monarch flycatchers, sometimes referred to as the broad-billed flycatchers or simply broadbills native to Australasia.

Taxonomy and systematics

Extant species

Nineteen extant species are recognized:[1]

Broad-billed flycatcher in Northern Territory, Australia

Extinct species

Former species

Formerly, some authorities also considered the following species (or subspecies) as species within the genus Myiagra:

Description

Members of this genus are separated from other members of the family, particularly the Monarcha monarchs they resemble, by their consistent sexual dimorphism, egg patterning, and the crested heads that often lack facial patterns (a few Monarcha monarchs also lack facial patterns). Flycatchers in the genus Myiagra are small bids ranging in length from 13-20 cm in length. They have broad flattened bills adapted to catching insects. The bill is usually black, the exception being the blue-crested flycatcher of Fiji, whose bill is bright orange. The insides of their mouths are bright orange, noticeable when singing. When perched they have an upright stance. The satiny plumage of all species is sexually dichromatic, to a greater or lesser degree. Overall males tend to have dark blue or black heads, backs, wings and tails and pale bellies and rumps. Some males have red underparts, others have the dark upper plumage all over, and the slightly aberrant shining flycatchers have chestnut wings, backs and tails. The females follow a similar pattern to males but have lighter, more washed out colours. When perched the species in this genus constantly moves their closed tail, in the restless flycatcher the tail is shacked from side to side. The orange lining to their mouths is visible when they sing.

Members of this genus differ from the closely related genus Monarcha in having their crested heads often unpatterned, and the sexes being different in appearance. They have satiny plumage and perch upright, their long tails tending to move frequently. Males typically have dark blue heads and upper parts and paler underparts, and females are mostly similar in appearance to the males but their colour is more washed out and less intense. Their broad beaks are adapted to feed on insects, which they mostly catch on the wing.

Vocalizations

The calls are generally unmusical and are described as guttural, harsh and rasping.

Behaviour and ecology

The genus is adapted to feeding on insects in a manner similar to the Old World flycatchers in the family Muscicapidae. Prey is obtained by sallying from a perch to obtain flying insects or by hover-gleaning, snatching insects from the undersides of leaves while in flight.

Distribution and habitat

The genus is spread across Australasia, with some representatives in Wallacea, New Guinea, Australia, the Solomon Islands, New Caledonia, Vanuatu, Fiji, Samoa and Micronesia. Members of this genus occur as occasional vagrants in New Zealand and formerly occurred in Tonga and Guam.

References

  1. ^ "IOC World Bird List 6.4". IOC World Bird List Datasets. doi:10.14344/ioc.ml.6.4.
  2. ^ "Hypothymis azurea tytleri - Avibase". avibase.bsc-eoc.org. Retrieved .
  3. ^ "Hypothymis puella - Avibase". avibase.bsc-eoc.org. Retrieved .
  4. ^ "Symposiachrus vidua - Avibase". avibase.bsc-eoc.org. Retrieved .
  5. ^ "Symposiachrus vidua squamulatus - Avibase". avibase.bsc-eoc.org. Retrieved .
  6. ^ "Monarcha richardsii - Avibase". avibase.bsc-eoc.org. Retrieved .

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

Myiagra
 



 



 
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