Dusky-capped Flycatcher vs Ash-throated Flycatcher

In short

The Dusky-capped Flycatcher and Ash-throated Flycatcher are similar Myiarchus flycatchers, but can be distinguished by subtle differences in plumage and vocalizations. The Dusky-capped Flycatcher is generally darker with a more pronounced dusky cap, while the Ash-throated Flycatcher has a paler throat and overall lighter appearance.

Identification tips

1. Listen for calls: Dusky-capped's 'wheer' vs. Ash-throated's 'ka-brick'. 2. Check plumage: Dusky-capped is darker with a dusky cap; Ash-throated is paler with a lighter throat. 3. Consider habitat: Dusky-capped prefers more forested areas; Ash-throated is found in open woodlands and desert scrub. 4. Observe behavior: Both species exhibit typical flycatcher behavior, but habitat preference can guide identification.

Size

Both species are similar in size, typical of Myiarchus flycatchers, with no significant size difference to aid in field identification.

Plumage

The Dusky-capped Flycatcher has a more pronounced dusky cap and darker overall plumage. In contrast, the Ash-throated Flycatcher features a paler throat and lighter plumage, particularly on the underparts. Both species have rufous in the tail and wings, but the Ash-throated Flycatcher tends to appear more washed out.

Behaviour

Both species exhibit similar behaviors typical of Myiarchus flycatchers, such as perching conspicuously and sallying for insects. They are cavity-nesters and can be seen maintaining territories.

Habitat

The Dusky-capped Flycatcher is more commonly found in tropical and subtropical forests, while the Ash-throated Flycatcher prefers open woodlands and desert scrub in the American West. Overlap occurs in some areas, particularly in the southern United States.

Voice

The Dusky-capped Flycatcher has a distinctive, mournful 'wheer' call, which is a key identifier. The Ash-throated Flycatcher has a softer, less emphatic call, often described as a 'ka-brick' or 'ka-brick-it'.