The crescent-chested warbler is superficially similar to both the northern parula and the tropical parula, with yellow underparts, a gray head, and a greenish back, but neither of these has a bold white eyebrow.
The crescent-chested warbler shares superficial similarities with both the northern parula and the tropical parula, characterized by yellow underparts, a gray head, and a greenish back, but lacks a notable white eyebrow.