---
title: "Piojito Pardo"
description: "Nesotriccus murinus — Aves. The mouse-colored tyrannulet (Nesotriccus murinus) is a species of bird in subfamily Elaeniinae of the tyrant flycatchers family Tyrannidae."
canonical: https://animalchecklist.com/es/animal/mouse-colored-tyrannulet
last_updated: 2026-09-20
---

# Piojito Pardo

> Nesotriccus murinus — Aves. The mouse-colored tyrannulet (Nesotriccus murinus) is a species of bird in subfamily Elaeniinae of the tyrant flycatchers family Tyrannidae.

- Scientific name: *Nesotriccus murinus*
- Category: `birds` (Aves)
- Habitats: `forest` (Bosque)
- iNaturalist observations: 1134
- iNaturalist taxon: [1444145](https://www.inaturalist.org/taxa/1444145)

## Names

- en: Mouse-colored Tyrannulet
- es: Piojito Pardo
- fr: Tyranneau souris

## Countries with the most observations

BR (328), CO (125), VE (61), GF (48), PA (48), PE (30), AR (22), BO (22), GY (12), EC (11), CR (7), TT (3)

## Summary

The mouse-colored tyrannulet (Nesotriccus murinus) is a species of bird in subfamily Elaeniinae of the tyrant flycatchers family Tyrannidae. It is found from Costa Rica and Panama south to Brazil and northern Argentina. The mouse-colored tyrannulet has sometimes been split into two species, the northern mouse-colored tyrannulet and the southern mouse-colored tyrannulet.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Mouse-colored_tyrannulet

## Photo

![Piojito Pardo](https://animalchecklist.com/img/animals/mouse-colored-tyrannulet/medium.jpg)

Photo: Hugo Hulsberg · CC0 · inaturalist — https://www.inaturalist.org/observations/244712292

## Machine access

`GET https://animalchecklist.com/api/v1/animals/mouse-colored-tyrannulet?lang=es` — see [openapi.json](https://animalchecklist.com/openapi.json).