Cardinal à ventre blanc vs Cardinal à cuisses noires

The Black-faced Grosbeak and Black-thighed Grosbeak can be distinguished by their plumage patterns: the Black-faced Grosbeak has a distinctive black face, while the Black-thighed Grosbeak features black thighs and a narrow black mask. Both species have yellow-green plumage but differ in the distribution of black markings.

Look for the black face on the Black-faced Grosbeak and the black thighs and narrow black mask on the Black-thighed Grosbeak. Note the white patch at the base of the primaries on the Black-thighed Grosbeak.

The Black-faced Grosbeak has a prominent black face, whereas the Black-thighed Grosbeak has black thighs and a narrow black mask. The Black-thighed Grosbeak also has a black back and wings, a black tail, and a white patch at the base of the primaries.

The Black-thighed Grosbeak is usually solitary or found in pairs, often foraging high in trees.