Colibrí Amatista vs Colibrí Golondrina

The Amethyst Woodstar and Swallow-tailed Hummingbird can be distinguished primarily by their tail shapes and sizes. The Amethyst Woodstar has a shorter tail, while the Swallow-tailed Hummingbird features a distinctive long, forked tail. Both species share a similar iridescent plumage, but their tail differences are key in identification.

Tail shape is the most reliable field mark: look for the Swallow-tailed Hummingbird's long, forked tail versus the Amethyst Woodstar's shorter tail.

The Swallow-tailed Hummingbird is generally larger than the Amethyst Woodstar.

Both species exhibit iridescent plumage, but the Swallow-tailed Hummingbird's tail is notably long and forked, contrasting with the shorter tail of the Amethyst Woodstar.