Photo: John Gerrard Keulemans / Public domain (Wikimedia Commons)
Viridian Metaltail
Metallura williami
Viridian Metaltail (Metallura williami) — Hummingbirds of South America.
Found across 4 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Viridian Metaltail (Metallura williami) is a member of the Trochilidae family found in South America. Adults weigh 4.5 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 Metallura
- Species williami
Quick facts
- Weight
- 4.5 g
- Diet
- Nectar-feeders
- Family
- Trochilidae
- Order
- Apodiformes
- Habitat
- Woodland
How to identify
Similar birds
Vulnerable
Least Concern
Least Concern
Least Concern
Biology & behaviour
Diet
The Viridian Metaltail is a nectarivore — it feeds mainly on nectar.
Behaviour
A bird of open forest, it is highly aerial, spending much of its time on the wing.
Migration
The Viridian Metaltail is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Viridian Metaltail (Metallura williami) belongs to the Trochilidae family of the order Apodiformes. It occurs naturally across South America. Its distribution covers SA c Colombia to s Ecuador.
It is a very small bird. Adults weighs around 4.5 g, with a wing length of about 5.8 cm and a tail of around 3.8 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 52,000 km².
Songs & calls
Frequently asked questions
How big is the Viridian Metaltail?
The Viridian Metaltail is a very small bird that weighs around 4.5 g.
Where does the Viridian Metaltail live?
The Viridian Metaltail is found across South America with a range covering SA c Colombia to s Ecuador, where it favours woodland, forest and well-treed country.
What family does the Viridian Metaltail belong to?
The Viridian Metaltail (Metallura williami) belongs to the Trochilidae family, in the order Apodiformes.
What does the Viridian Metaltail eat?
The Viridian Metaltail is a nectarivore — it feeds mainly on nectar.
Does the Viridian Metaltail migrate?
The Viridian Metaltail is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Viridian Metaltail 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 Viridian Metaltail make?
1 real field recording of the Viridian Metaltail — including its flight call — can be played in the Songs & calls section on this page, credited to the recordist who captured it.
How large is the Viridian Metaltail's range?
The Viridian Metaltail has a mapped global range of about 52,000 km².
Conservation
Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.
Explore more birds
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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.