Black-throated Grey Warbler vs Hermit Warbler

In short

The Black-throated Gray Warbler and Hermit Warbler can be distinguished by their facial patterns and throat coloration. The Black-throated Gray Warbler has a distinctive black throat and a white supercilium, while the Hermit Warbler has a yellow face and a black crown, with a white throat in males.

Identification tips

1. Look for the black throat and white supercilium of the Black-throated Gray Warbler. 2. Note the yellow face and black crown of the Hermit Warbler. 3. Observe the habitat: Hermit Warblers are more likely in dense coniferous forests of the Pacific Northwest.

Size

Both species are similar in size, typical of small warblers.

Plumage

The Black-throated Gray Warbler features a black throat and white supercilium, with gray upperparts and white underparts. In contrast, the Hermit Warbler has a yellow face, black crown, and white throat in males, with gray upperparts and white underparts.

Behaviour

Both species forage in the canopy of coniferous forests, but the Hermit Warbler is often more elusive and difficult to see.

Habitat

The Black-throated Gray Warbler is more widespread, while the Hermit Warbler is a habitat specialist, breeding in the coniferous forests of the Pacific Northwest and wintering in pine-oak forests in Mexico and Guatemala.

Voice

Both species have similar songs typical of warblers, but specific vocal differences are not well-documented in the sources.