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2012-11-20 22:52:39

Study looks at what makes flycatchers change their song length Do birds change their tune in response to urban noise? It depends on the bird species, according to Dr. Alejandro Ariel Ríos-Chelén from the Universidad Nacional Autónoma de México and colleagues. Their work shows that while some birds do adapt their songs in noisy conditions by means of frequency changes, others like the vermilion flycatchers adapt their song by means of...


Latest Tyranni Reference Libraries

Grey-necked Wood Rail, Aramedes cajaneus
2013-04-21 09:30:30

The Grey-necked Wood Rail (Aramedes cajaneus) is a species of bird belonging to the Rallidae family. It can be found in Belize, Argentina, Brazil, Bolivia, Costa Rica, Columbia, El Salvador, Ecuador, French Guiana, Guyana, Guatemala, Honduras, Mexico, Panama, Nicaragua, Peru, Suriname, Trinidad and Tobago, Venezuela and Uruguay. Its natural habitats are tropical and subtropical moist lowland forests, tropical and subtropical mangrove swamps, tropical or subtropical swamps, and swamps. This...

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2009-04-07 14:38:08

The Boat-billed Flycatcher (Megarynchus pitangua) is a species of passerine bird that breeds in open woodland with tall trees from Mexico south to Bolivia and Argentina, and Trinidad. The adult is 9 inches long with a black head, white eye stripe and concealed yellow crown stripe. The upperparts are olive-brown and the underparts are yellow. The throat is white. The wings and tail are brown with faint reddish-brown fringes. The bill is massive, which gives this bird its English name. The...

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2009-04-07 14:36:42

The Vermillion Flycatcher (Pyrocephalus rubinus) is a species of passerine bird that is found in the southwestern United States, Central America, and northern and central South America. It is also found further south to central Argentina. It is the only species in the genus Pyrocephalus. The adult is about 7 inches long. The male is bright red in color with dark brown plumage. The female has a peach-colored belly with dark gray upperparts. The female is also similar in appearance to Say's...

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2009-04-07 14:35:05

The Acadian Flycatcher or Green-crested Flycatcher (Empidonax virescens) is a species of bird that breeds in deciduous forests across eastern United States and southwestern Ontario, Canada. They are migratory and winter through eastern Mexico and the Caribbean and south to southern Central America and northwestern South America (Colombia, Ecuador, and western Venezuela). In the southern parts of its breeding range these birds have declined in numbers. The adult has olive colored...

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2009-04-07 14:28:10

The Amazonian Royal Flycatcher (Onychorhynchus coronatus) is a species of passerine bird found in forest and woodlands throughout most of the Amazon basin in northern Bolivia, eastern Peru , eastern Ecuador, eastern Colombia,Venezuela, the Guianas, and northern and western Brazil. Although it occurs in low densities and is hard to spot, it is a widespread and common species. It is considered to be of Least Concern by Bird Life International. There are three subspecies: the Northern,...

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Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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