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Mouse-colored Tyrannulet

Nesotriccus murinus (Spix, JB 1825)

The 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 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. Source: Wikipedia




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Classification
Order:
  Passeriformes
Family:
  Tyrannidae
Genus:
   Nesotriccus
Scientific:
  Nesotriccus murinus


Original description

Citation:
  (Spix, JB 1825)

Reference:
   Av. Sp. Nov. Brasil. 2 p.14 pl.16 fig.2

Protonym:
  Platyrhynchus murinus

Type locality:
  Brazil; restricted to Joazeiro [= Juazeiro] , Rio Sao Francisco, northern Bahia, by Pinto, 1944, Cat. Aves Brasil (Publ. Dept. Zool., Sao Paulo), pt. 2, p. 285.

Link:
  https://www.biodiversitylibrary.org/item/128667#page/28/mode/1up


Avibase identifiers

Avibase ID:
  17E6282FBDCFEC80

Avibase ID:
  avibase-17E6282F

Short link:
  https://avibase.ca/17E6282F


Taxonomic Serial Number:
  TSN: 561963

English:
Mouse-colored Tyrannulet
Bulgarian:
Миша мухоловка
Catalan:
tiranulet bru
Czech:
tyrančík myší
Danish:
Musegrå Tyrannulet
German:
Graubraun-Kleintyrann
Esperanto:
musgriza tiraneto
Spanish:
Piojito Pardo
Spanish (Spain):
Piojito pardo
Finnish:
hiirinapsija
French:
Tyranneau souris
Croatian:
smeđa elenija
Italian:
Tirannetto murino
Japanese:
ネズミハエトリ
Lithuanian:
Rudasis tironiukas
Dutch:
Wenkbrauwvliegenpikker
Norwegian:
Bruntyrannulett
Polish:
mysityranik jasnoskrzydły
Portuguese:
bagageiro
Portuguese (Brazil):
bagageiro
Portuguese (Portugal):
tiraninho-pardo-do-sul
Russian:
Бурый мышиный тиранчик
Slovak:
moskytár myšací
Serbian:
Mišjesiva tirančica
Swedish:
musfärgad dvärgtyrann
Turkish:
Fare Rengi Tiranulet
Ukrainian:
тиранчик бурий
Chinese:
灰色小霸鹟
Chinese (Traditional):
鼠色小霸鶲


Authorities recognizing this taxonomic concept:

American Ornithologists' Society 7th edition (incl. 66th suppl.):
Mouse-colored Tyrannulet ( Nesotriccus murinus)
Avibase taxonomic concepts (current):
Mouse-colored Tyrannulet ( Nesotriccus murinus) [version 1]
Avibase taxonomic concepts v. 2023 (May 2023):
Mouse-colored or Atlantic Tyrannulet ( Nesotriccus [murinus or incomtus])
Avibase taxonomic concepts v. 2024 (Oct 2024):
Mouse-colored or Atlantic Tyrannulet ( Nesotriccus [murinus or incomtus])
Avibase taxonomic concepts v. 2025 (Nov 2025):
Mouse-colored Tyrannulet ( Nesotriccus murinus)
Avibase taxonomic concepts v. 01 (August 2013):
Mouse-colored Tyrannulet [Coastal] ( Phaeomyias murina [murina])
Avibase taxonomic concepts v. 02 (May 2014):
Mouse-colored Tyrannulet [Coastal] ( Phaeomyias murina [murina])
Avibase taxonomic concepts v. 03 (March 2015):
Mouse-colored Tyrannulet [Coastal] ( Phaeomyias murina [murina])
Avibase taxonomic concepts v. 04 (Aug 2016):
Mouse-colored Tyrannulet [Coastal] ( Phaeomyias murina [murina])
Avibase taxonomic concepts v. 05 (Jan 2017):
Mouse-colored Tyrannulet [Coastal] ( Phaeomyias murina [murina])
Avibase taxonomic concepts v. 06 (Feb 2018):
Mouse-colored Tyrannulet [Coastal] ( Phaeomyias murina [murina])
Avibase taxonomic concepts v. 07 (Feb 2020):
Mouse-colored Tyrannulet [Coastal] ( Phaeomyias murina [murina])
Avibase taxonomic concepts v. 08 (Feb 2021):
Mouse-colored Tyrannulet [Coastal] ( Phaeomyias murina [murina])
Avilist 2025:
Mouse-colored Tyrannulet ( Nesotriccus murinus) [version 1]
Birdlife checklist version 09 (Dec 2016):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
Birdlife checklist version 09.1 (Jun 2017):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
HBW and BirdLife Taxonomic Checklist v2 (Dec 2017):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
HBW and BirdLife Taxonomic Checklist v3 (Nov 2018):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
HBW and BirdLife Taxonomic Checklist v4 (Dec 2019):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
HBW and BirdLife Taxonomic Checklist v5 (Dec 2020):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
HBW and BirdLife Taxonomic Checklist v6 (Dec 2021):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
HBW and BirdLife Taxonomic Checklist v6b (Jul 2022):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
HBW and BirdLife Taxonomic Checklist v7 (Dec 2022):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
HBW and BirdLife Taxonomic Checklist v8 (Dec 2023):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
HBW and BirdLife Taxonomic Checklist v9 (Oct 2024):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
HBW and BirdLife Taxonomic Checklist v10 (Oct 2025):
Mouse-colored Tyrannulet ( Phaeomyias murina)
Clements, version 2024:
Mouse-colored Tyrannulet ( Nesotriccus murinus) [version 1]
Clements, version 2025:
Mouse-colored Tyrannulet ( Nesotriccus murinus) [version 1]
eBird version 1.50:
Mouse-colored Tyrannulet (Mouse-colored) ( Phaeomyias murina [murina Group]) [version 1]
eBird version 1.52:
Mouse-colored Tyrannulet (Mouse-colored) ( Phaeomyias murina [murina Group]) [version 1]
eBird version 1.53:
Mouse-colored Tyrannulet (Mouse-colored) ( Phaeomyias murina [murina Group]) [version 1]
eBird version 1.54:
Mouse-colored Tyrannulet (Mouse-colored) ( Phaeomyias murina [murina Group]) [version 1]
eBird version 1.55:
Mouse-colored Tyrannulet (Mouse-colored) ( Phaeomyias murina [murina Group]) [version 1]
eBird version 2015:
Mouse-colored Tyrannulet (Mouse-colored) ( Phaeomyias murina [murina Group]) [version 1]
eBird version 2022:
Northern/Southern Mouse-colored Tyrannulet ( Nesotriccus incomta/murina)
eBird version 2023:
Northern/Southern Mouse-colored Tyrannulet ( Nesotriccus incomtus/murinus)
eBird version 2024:
Mouse-colored Tyrannulet ( Nesotriccus murinus) [version 2]
eBird version 2025:
Mouse-colored Tyrannulet ( Nesotriccus murinus) [version 2]
Handbook of the Birds of the World Alive (03/07/2017):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
Handbook of the Birds of the World and Birdlife (Dec 2017):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
Handbook of the Birds of the World and Birdlife (Dec 2018):
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 1.0:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 1.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 1.5:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 1.6:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 1.7:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.0:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.3:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.4:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.5:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.6:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.7:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.8:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.9:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.10:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 2.11:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 3.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 3.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 3.3:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 3.4:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 3.5:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 4.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 4.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 4.3:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 4.4:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 5.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 5.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 5.3:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 5.4:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 6.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 6.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 6.3:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 6.4:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 7.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 7.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 7.3:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 8.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 8.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 9.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 9.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 10.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 10.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 11.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 11.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 12.1:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 12.2:
Mouse-colored Tyrannulet ( Phaeomyias murina) [version 2]
IOC World Bird Names, version 15.1:
Mouse-colored Tyrannulet ( Nesotriccus murinus) [version 1]
South American Classification Committee (27/07/2024):
Mouse-colored Tyrannulet ( Nesotriccus murinus) [version 1]
South American Classification Committee (31/07/2025):
Mouse-colored Tyrannulet ( Nesotriccus murinus) [version 1]
Zoonomen - Zoological Nomenclature Resource:
Phaeomyias murina [version 2]

Taxonomic status:

Species status: full species (sometimes nominal subspecies)

This taxon is considered a subspecies of Nesotriccus [murinus or maranonicus] (sensu lato) by some authors

Your sightings

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Related taxa

Alternative arrangements:  1  2 

Highlight taxa in a checklist (shown in red)

Other synonyms

See also the taxonomic synonyms table.


Catalan: tiranulet bru
Czech: tyrančík myší
Danish: Musegrå Tyrannulet
German: Graubraun-Kleintyrann
English: Mouse-colored or Atlantic Tyrannulet, Mouse-colored Tyrannulet, Mouse-colored Tyrannulet (Coastal), Mouse-colored Tyrannulet (Mouse-colored), Mouse-colored Tyrannulet [Coastal], Northern/Southern Mouse-colored Tyrannulet
Esperanto: musgriza tiraneto
Spanish: Piojito Pardo
Finnish: hiirinapsija
French: Tyranneau souris, Tyranneau souris (côtière), Tyranneau souris (forme côtière), Tyranneau souris [murina], Tyranneau souris ou T. atlantique
Croatian: smeđa elenija
Italian: Tirannetto murino
Japanese (romaji): nezumihaetori (murina guru-pu)
Japanese: ネズミハエトリ, ネズミハエトリ (murina グループ)
Scientific: Nesotriccus [murinus or incomtus], Nesotriccus incomta/murina, Nesotriccus incomtus/murinus, Nesotriccus murinus, Phaeomyias [murina or incomta], Phaeomyias murina, Phaeomyias murina [murina Group], Phaeomyias murina [murina], Phaeomyias murina murina, Platyrhynchus murinus
Lithuanian: Rudasis tironiukas
Dutch: Wenkbrauwvliegenpikker, Wenkbrauw-vliegenpikker (murina groep)
Norwegian: Bruntyrannulett
Polish: mysityranik jasnoskrzydły
Portuguese: bagageiro
Portuguese (Portugal): tiraninho-pardo-do-sul
Russian: Бурый мышиный тиранчик
Slovak: moskytár myšací
Swedish: musfärgad dvärgtyrann
Turkish: Fare Rengi Tiranulet
Ukrainian: тиранчик бурий
Chinese: 灰色小霸鹟
Chinese (Traditional): 鼠色小霸鶲

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