beija-flor-de-bico-curvo vs beija-flor-de-veste-preta

The White-tailed Goldenthroat and Black-throated Mango can be distinguished primarily by their tail and throat coloration. The White-tailed Goldenthroat has a distinctive white tail, while the Black-throated Mango features a black throat patch. These differences are most apparent when the birds are viewed from behind or in profile.

Look for the white tail of the White-tailed Goldenthroat and the black throat patch of the Black-throated Mango. These features are most visible when the birds are perched or in flight.

The White-tailed Goldenthroat is characterized by its white tail, which contrasts with the Black-throated Mango's dark tail. Additionally, the Black-throated Mango has a prominent black throat patch, which is absent in the White-tailed Goldenthroat.