| Nesotriccus | |
|---|---|
 | |
| Southern mouse-colored tyrannulet (Nesotriccus murinus) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Tyrannidae |
| Genus: | Nesotriccus Townsend, CH, 1895 |
| Type species | |
| Nesotriccus ridgwayi [1] C.H. Townsend, 1895 | |
Nesotriccus is a genus of Central and South American birds in the tyrant flycatcher family Tyrannidae.
The genus contains five species: [2]
| Image | Scientific name | Common Name | Distribution |
|---|---|---|---|
 | Nesotriccus murinus | Southern mouse-colored tyrannulet | the Guianas and Amazonia to eastern Brazil, Paraguay and northwest Argentina |
 | Nesotriccus incomtus | Northern mouse-colored tyrannulet | southern Costa Rica and Panama through Colombia and northeast Ecuador to Venezuela, Trinidad, and Guyana |
 | Nesotriccus ridgwayi | Cocos tyrannulet | Cocos Island |
| Nesotriccus tumbezanus | Tumbesian tyrannulet | southwest Ecuador and northwest Peru | |
| Nesotriccus maranonicus | Maranon tyrannulet | northeastern Peru | |
The Tumbesian tyrannulet was formerly considered conspecific with the widespread southern mouse-colored tyrannulet. The two species are visually very similar, but vocally distinct. [3]
The tyrant flycatchers (Tyrannidae) are a family of passerine birds which occur throughout North and South America. They are considered the largest family of birds known to exist in the world, with more than 400 species. They are the most diverse avian family in every country in the Americas, except for the United States and Canada. The members vary greatly in shape, patterns, size and colors. Some tyrant flycatchers may superficially resemble the Old World flycatchers, which they are named after but are not closely related to. They are members of suborder Tyranni (suboscines), which do not have the sophisticated vocal capabilities of most other songbirds.
The mistletoe tyrannulet is a very small bird, a passerine in family Tyrannidae, the tyrant flycatchers.
Casiornis is a genus of South American birds in the tyrant flycatcher family Tyrannidae.
The southern mouse-colored tyrannulet is a species of bird in the tyrant flycatcher family Tyrannidae. It occurs in a wide range of scrubby and wooded habitats in tropical and subtropical South America, being absent from the southernmost part of the continent, the high Andes and dense rainforest. It is generally common, but its small size and dull plumage results in it often being overlooked – or at least not identified, as it resembles several other tyrant flycatchers.
The rough-legged tyrannulet is a species of bird in the family Tyrannidae. It is found in Argentina, Bolivia, Brazil, and Paraguay. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest.
Phyllomyias is a genus of small birds in the tyrant-flycatcher family Tyrannidae. They are found in wooded habitats of Central and South America. Some species are among the commonest birds in their range, while other are rare and threatened. They have a short, stubby bill, are greenish above, yellowish or whitish below, and all except the sooty-headed tyrannulet have pale wing-bars or edging. They feed on small arthropods and fruits. Most species regularly take part in mixed species flocks.
Phylloscartes is a genus of small birds in the family Tyrannidae. They are found in wooded habitats of Central and South America. They mainly feed on small arthropods, and most commonly take part in mixed species flocks. The mottled-cheeked tyrannulet is among the commonest birds in its range, but several other species are rare and threatened. Their plumage is predominantly green, yellow, white and grey, and many have contrasting facial patterns and wing-bars. They have thin, pointed bills, and relatively long tails. Most frequently cock their tail, perch relatively horizontally and are very active.
The Serra do Mar bristle tyrant is a small species of bird in the tyrant flycatcher family Tyrannidae. It was formerly placed in the genus Phylloscartes and known in English as the Serra do Mar tyrannulet. It is endemic to humid montane forest in the Serra do Mar in south-eastern Brazil. More likely confused with the short-tailed and pale-eyed hangnest tody-tyrant, its bright olive-green upperparts contrast strongly with the grey underparts. It is generally uncommon and threatened by habitat loss.
The restinga tyrannulet is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is endemic to Brazil, on the south Atlantic coast centered on the state of Paraná in a 150 km wide coastal strip. Its natural habitats are subtropical or tropical dry shrubland and subtropical or tropical moist shrubland. It is threatened by habitat loss.
The São Paulo bristle tyrant is a species of bird in the tyrant flycatcher family Tyrannidae. It was formerly placed in the genus Phylloscartes and known in English as the São Paulo tyrannulet. It is found in the southern Atlantic Forest region of South America. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest. It is threatened by habitat loss.
The sooty tyrannulet is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is small, usually weighing 9 grams with a length of 12 centimeters, and has gray or brownish-grey feathers with black tail feathers. It is found in Argentina, Brazil, and Uruguay; also southern Paraguay. A small extension of its range is in southeastern Bolivia.
Zimmerius is a genus of Neotropical birds in the family Tyrannidae.
The slender-footed tyrannulet is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in humid forests of the west Amazon Basin in Venezuela, Colombia, Ecuador, Peru, Bolivia and Brazil. Until recently, it included the Guianan tyrannulet as a subspecies.
The Venezuelan tyrannulet is a species of passerine bird in the family Tyrannidae. It is found in northern Venezuela.
The Yungas tyrannulet is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is, as suggested by its common name, restricted to humid and semi-humid forest in the Yungas of north-western Bolivia and far south-eastern Peru. Although discovered in the early 1990s, it was only formally described in 2008.
The Guianan tyrannulet is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in forests in the east Amazon Basin and northeastern Brazil. Until recently, it was considered a subspecies of the slender-footed tyrannulet.
The Choco tyrannulet is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in forests in the Chocó of south-western Colombia and western Ecuador. It was previously treated as a conspecific with the golden-faced tyrannulet but the species were split based on the molecular and vocal differences. It is restricted to a region with extensive habitat destruction but it is generally fairly common and therefore unlikely to be seriously threatened.
The Tumbesian tyrannulet or Tumbes tyrannulet is a species of bird in the tyrant flycatcher family Tyrannidae. It occurs in desert scrub and wooded habitats in southwest Ecuador and northwest Peru. Within its restricted range it is fairly common, but its small size and dull plumage results in it often being overlooked – or at least not identified, as it resembles several other tyrant flycatchers. The common name is from the city of Tumbes in northwest Peru.
The northern mouse-colored tyrannulet is a species of bird in the tyrant flycatcher family Tyrannidae. It occurs in a wide range of scrubby and wooded habitats in tropical and subtropical northern South America, being absent from the high Andes and dense rainforest. It also occurs in Panama and Costa Rica. It is generally common, but its small size and dull plumage results in it often being overlooked – or at least not identified, as it resembles several other tyrant flycatchers.
The Maranon tyrannulet is a species of bird in the tyrant flycatcher family Tyrannidae. It occurs in a wide range of scrubby and wooded habitats in northeastern Peru and Ecuador.
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