Photo: Christoph Moning / CC BY 4.0 (Wikimedia Commons)
Buff-thighed Puffleg
Haplophaedia assimilis
Buff-thighed Puffleg (Haplophaedia assimilis) — Hummingbirds of South America.
Found across 2 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Buff-thighed Puffleg (Haplophaedia assimilis) is a member of the Trochilidae family found in South America. Adults weigh 4.8 g. The IUCN Red List lists it as Least Concern.
Conservation status
IUCN Red List (opens in a new tab)Widespread and abundant — not currently at risk.
Where it fits
- Class Aves
- Order Apodiformes
- Family Trochilidae Hummingbirds
- Genus Haplophaedia
- Species assimilis
Quick facts
- Weight
- 4.8 g
- Diet
- Nectar-feeders
- Family
- Trochilidae
- Order
- Apodiformes
- Habitat
- Woodland
How to identify
Similar birds
Least Concern
Least Concern
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Least Concern
Biology & behaviour
Diet
The Buff-thighed Puffleg is a nectarivore — it feeds mainly on nectar.
Behaviour
A bird of dense forest, it is highly aerial, spending much of its time on the wing.
Migration
The Buff-thighed Puffleg is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Buff-thighed Puffleg (Haplophaedia assimilis) is a member of the Trochilidae family, within the order Apodiformes. It occurs naturally across South America. Its distribution covers SA Peru and Bolivia.
It is a very small bird. Adults weighs around 4.8 g, with a wing length of about 5.7 cm and a tail of around 4 cm.
The IUCN Red List currently assesses it as Least Concern. That category covers species that remain widespread and reasonably abundant in the wild.
Its mapped global range covers an estimated 59,000 km².
Songs & calls
Frequently asked questions
How big is the Buff-thighed Puffleg?
The Buff-thighed Puffleg is a very small bird that weighs around 4.8 g.
Where does the Buff-thighed Puffleg live?
The Buff-thighed Puffleg is found across South America with a range covering SA Peru and Bolivia, where it favours woodland, forest and well-treed country.
What family does the Buff-thighed Puffleg belong to?
The Buff-thighed Puffleg (Haplophaedia assimilis) belongs to the Trochilidae family, in the order Apodiformes.
What does the Buff-thighed Puffleg eat?
The Buff-thighed Puffleg is a nectarivore — it feeds mainly on nectar.
Does the Buff-thighed Puffleg migrate?
The Buff-thighed Puffleg is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Buff-thighed Puffleg endangered?
The IUCN Red List currently assesses it as Least Concern That category covers species that remain widespread and reasonably abundant in the wild.
What sound does the Buff-thighed Puffleg make?
1 real field recording of the Buff-thighed Puffleg — including its call — can be played in the Songs & calls section on this page, credited to the recordist who captured it.
How large is the Buff-thighed Puffleg's range?
The Buff-thighed Puffleg has a mapped global range of about 59,000 km².
Conservation
Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.
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Guides for this bird
Best Hummingbird Feeders
How to choose a hummingbird feeder — the two main styles compared, the right sugar-water mix, and how to keep it clean so the birds stay safe. A decision framework with the hummingbird species in the Birbs encyclopedia.
Meet the Trochilidae
A field guide to the Trochilidae family — 366 species in the Birbs encyclopedia, with the best-known members to start with.