Connecticut Warbler vs Grey-crowned Yellowthroat

In short

The Connecticut Warbler and Grey-crowned Yellowthroat can be distinguished primarily by their head markings and eye rings. The Connecticut Warbler has a distinct white eye ring and a plain gray hood, while the Grey-crowned Yellowthroat features a gray crown with a contrasting yellow throat and lacks a prominent eye ring.

Identification tips

• Look for the white eye ring on the Connecticut Warbler, which is absent in the Grey-crowned Yellowthroat.
• Note the plain gray hood of the Connecticut Warbler versus the gray crown and yellow throat of the Grey-crowned Yellowthroat.

Plumage

Connecticut Warbler displays a plain gray hood with a clear white eye ring, contrasting with its olive back and yellow underparts. In contrast, the Grey-crowned Yellowthroat has a gray crown and a bright yellow throat, with less contrast between the head and body.