Sapphire-vented Puffleg vs Emerald-bellied Puffleg

In short

The Sapphire-vented Puffleg and Emerald-bellied Puffleg are both small hummingbirds with distinctive leg puffs, but they differ in plumage coloration. The Sapphire-vented Puffleg has a more bluish sheen, while the Emerald-bellied Puffleg shows a greener hue. Observing the color of the vent and belly can aid in distinguishing these species.

Identification tips

1. Focus on the color of the vent: Sapphire-vented has a bluish vent, while Emerald-bellied has a greener vent. 2. Observe overall plumage sheen: Sapphire-vented appears more blue-green, whereas Emerald-bellied is greener. 3. Note that both species share similar habitats and behaviors, so rely on plumage for identification.

Size

Both species are similar in size, typical of pufflegs, with no significant difference in structure or proportions.

Plumage

The Sapphire-vented Puffleg has a bluish vent and a more metallic blue-green overall plumage. In contrast, the Emerald-bellied Puffleg displays a greener belly and vent, with a less pronounced blue sheen.

Behaviour

Both species exhibit similar hovering and feeding behaviors typical of hummingbirds, with no notable differences in behavior.

Habitat

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

Voice

Vocalizations are not well-documented for either species, and they are generally not a reliable field mark for differentiation.