Glowing Puffleg vs Sapphire-vented Puffleg

In short

The Glowing Puffleg and Sapphire-vented Puffleg are both small hummingbirds with distinctive puffs of white feathers on their legs. The most reliable field mark is the color of their vent: the Glowing Puffleg has a greenish vent, while the Sapphire-vented Puffleg has a sapphire-blue vent. Both species have similar iridescent plumage, but subtle differences in coloration can help distinguish them.

Identification tips

1. Vent Color: Look for the vent color; greenish for Glowing Puffleg, sapphire-blue for Sapphire-vented Puffleg. 2. Iridescence: Note subtle differences in iridescent plumage tones, with Glowing Puffleg leaning more green and Sapphire-vented more blue. 3. Lighting Conditions: Be aware that lighting can affect the perceived colors of their plumage.

Size

Both species are similar in size, typical of pufflegs, with no notable differences in structure.

Plumage

The Glowing Puffleg has a greenish vent and generally more greenish upperparts, while the Sapphire-vented Puffleg features a sapphire-blue vent and may show more bluish tones on the upperparts. Both have iridescent plumage that can appear different depending on the light.

Behaviour

Both species exhibit typical hummingbird behavior, including rapid flight and hovering at flowers. There are no significant behavioral differences noted.

Habitat

Both species inhabit montane forests and edges, often found at similar elevations, making habitat a less reliable distinguishing factor.

Voice

There are no well-documented differences in vocalizations between these two species.