Southern mouse-colored tyrannulet

The southern mouse-colored tyrannulet (Nesotriccus murinus) 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.

Southern mouse-colored tyrannulet
At Piraju, São Paulo State, Brazil
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Class: Aves
Order: Passeriformes
Family: Tyrannidae
Genus: Nesotriccus
Species:
N. murinus
Binomial name
Nesotriccus murinus
(Spix, 1825)

Two subspecies are recognised:[2]

  • Nesotriccus murinus wagae (Taczanowski, 1884) – The Guianas, Amazonian Brazil, east Peru and northwest Bolivia
  • Nesotriccus murinus murinus (Spix, 1825) – south Brazil, south Bolivia, Paraguay and northwest Argentina

The southern mouse-colored tyrannulet was formerly considered conspecific with the Tumbesian tyrannulet (Nesotriccus tumbezanus) that occurs west of the Andes in southwest Ecuador and northwest Peru. The two species are visually very similar, but vocally distinct.[3] It was also conspecific with the Cocos flycatcher, Nesotriccus ridgwayi .

References
  1. BirdLife International (2016). "Phaeomyias murina". IUCN Red List of Threatened Species. 2016: e.T103681893A93718334. doi:10.2305/IUCN.UK.2016-3.RLTS.T103681893A93718334.en. Retrieved 15 November 2021.
  2. Gill, Frank; Donsker, David, eds. (2019). "Tyrant flycatchers". World Bird List Version 9.2. International Ornithologists' Union. Retrieved 27 June 2019.
  3. Rheindt, Frank E.; Norman, Janette A.; Christidis, Les (2008). "Genetic differentiation across the Andes in two pan-Neotropical tyrant-flycatcher species". Emu. 108 (3): 261–268. doi:10.1071/mu08020.
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