Colibri de Constant vs Colibri à gorge noire

The Plain-capped Starthroat and Black-chinned Hummingbird can be distinguished by their bill and throat markings. The Plain-capped Starthroat has a longer bill and a distinctive plain cap, while the Black-chinned Hummingbird features a black chin with a purple border, which is more prominent in males.

Look for the plain cap on the Plain-capped Starthroat and the black chin with a purple border on the Black-chinned Hummingbird, especially in males. The longer bill of the Plain-capped Starthroat is another distinguishing feature.

The Plain-capped Starthroat has a plain cap and lacks the distinctive throat markings of the Black-chinned Hummingbird. In contrast, the Black-chinned Hummingbird has a black chin with a purple border, particularly noticeable in males.