# Traill's flycatcher

> English word · Noun

## Definitions
1. A supposed species of tyrant flycatcher, now regarded as two distinct but closely related species: the alder flycatcher (Empidonax alnorum) and the willow flycatcher (Empidonax traillii).

## Etymology
Named after Thomas Stewart Traill, a friend of John James Audubon.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/traill-s-flycatcher