Colibrí de Myrtis vs Colibrí del Atacama

The Purple-collared Woodstar and Oasis Hummingbird can be distinguished by their tail and plumage characteristics. The Purple-collared Woodstar has a shorter tail and a distinctive purple collar, while the Oasis Hummingbird has a longer tail and lacks the purple collar.

Look for the purple collar on the Purple-collared Woodstar, which is absent in the Oasis Hummingbird. Note the tail length: the Purple-collared Woodstar has a shorter tail compared to the longer tail of the Oasis Hummingbird.

The Purple-collared Woodstar is generally smaller with a shorter tail compared to the Oasis Hummingbird.

The Purple-collared Woodstar features a notable purple collar, whereas the Oasis Hummingbird does not have this collar and typically displays more muted colors.