Mouse-colored Tyrannulet

Scientific name: Nesotriccus murinus
Family: Tyrannidae
Conservation status: Least concern
Habitat: Shrubland
Wing shape: Rounded
Tail shape: Notched

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Lore

Why it matters

The mouse-colored tyrannulet is a member of the tyrant flycatcher family, noted for its subtle, monochromatic plumage that helps it blend into forest understories. Bird enthusiasts prize this species for its distinct physical features, particularly its rounded wings and slightly notched tail, which are key diagnostic traits for identification in its native range.

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Provenance

Where it came from

The Mouse-colored Tyrannulet, scientifically classified as Nesotriccus murinus, is a member of the tyrant flycatcher family. Its taxonomy has been a subject of significant ornithological refinement, as it was historically placed within the genus Phaeomyias. Found primarily in arid and semi-arid regions of South America, its classification reflects a broader effort by taxonomists to organize the diverse, often subtle variations within the Tyrannidae family through morphological analysis of wing and tail structure.

The physical characteristics of the species, such as its distinctively rounded wings and notched tail, are functional adaptations to its environment. These traits have been documented by naturalists and avian biologists seeking to distinguish the species from its close relatives through field observations and specimen study. The design of the bird, shaped by evolutionary pressures, serves as a testament to the precision required in modern avian identification, where subtle variations in plumage and skeletal geometry define the species.

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About

About Mouse-colored Tyrannulet

Mouse-colored Tyrannulet is a bird in the Birdwatching catalog on collecto.rs. Catalog data is sourced from eBird. No public birds collectors track this one yet — adding yours would make you the first on collecto.rs.

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