Breeding male: unmistakable. Body entirely bright lemon yellow with white undertail coverts. Jet black cap. Black wings with yellow lesser coverts and narrow white tips to greater coverts ...

What they look like: The Blue-winged Warbler has a yellow head and body, and blue-gray wings with white bars. The male’s eye ...

The yellow-billed cuckoo has a slender body, a long tail, and rounded wings. Adults have grayish brown upperparts with whitish underparts. The crown can be noticeably grayer than the rest of the ...