Photo: Carlos Henrique Luz Nunes de Almeida / CC BY 3.0 (Wikimedia Commons)
Bay-ringed Tyrannulet
Phylloscartes sylviolus
Bay-ringed Tyrannulet (Phylloscartes sylviolus) — Songbirds & Perching Birds of South America.
Found across 4 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Bay-ringed Tyrannulet (Phylloscartes sylviolus) is a member of the Tyrannidae family found in South America. Adults weigh 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 Passeriformes
- Family Tyrannidae Tyrant Flycatchers, Calyptura
- Genus Phylloscartes
- Species sylviolus
Quick facts
- Weight
- 8 g
- Diet
- Invertebrate-eaters
- Family
- Tyrannidae
- Order
- Passeriformes
- Habitat
- Woodland
How to identify
Similar birds
Least Concern
Vulnerable
Near Threatened
Critically Endangered
Biology & behaviour
Diet
The Bay-ringed Tyrannulet is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Behaviour
A bird of dense forest, it spends much of its time perched in trees and shrubs.
Migration
The Bay-ringed Tyrannulet is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Bay-ringed Tyrannulet (Phylloscartes sylviolus) belongs to the Tyrannidae family of the order Passeriformes. Its range spans South America. Its distribution covers SA e Paraguay, ne Argentina and se Brazil.
It is a very small bird. Adults weighs around 8 g, with a wing length of about 4.9 cm and a tail of around 5.1 cm.
The IUCN Red List currently assesses it as Least Concern. That category covers species that remain widespread and reasonably abundant in the wild.
The species has a mapped global range of roughly 435,000 km².
Songs & calls
Frequently asked questions
How big is the Bay-ringed Tyrannulet?
The Bay-ringed Tyrannulet is a very small bird that weighs around 8 g.
Where does the Bay-ringed Tyrannulet live?
The Bay-ringed Tyrannulet is found across South America with a range covering SA e Paraguay, ne Argentina and se Brazil, where it favours woodland, forest and well-treed country.
What family does the Bay-ringed Tyrannulet belong to?
The Bay-ringed Tyrannulet (Phylloscartes sylviolus) belongs to the Tyrannidae family, in the order Passeriformes.
What does the Bay-ringed Tyrannulet eat?
The Bay-ringed Tyrannulet is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Does the Bay-ringed Tyrannulet migrate?
The Bay-ringed Tyrannulet is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Bay-ringed Tyrannulet 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 Bay-ringed Tyrannulet make?
1 real field recording of the Bay-ringed Tyrannulet — including its song — can be played in the Songs & calls section on this page, credited to the recordist who captured it.
How large is the Bay-ringed Tyrannulet's range?
The Bay-ringed Tyrannulet has a mapped global range of about 435,000 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
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How to choose a bird feeder for garden songbirds — the feeder styles compared, the seed they prefer, where to hang it, and how to keep birds safe. A decision framework grounded in real data, with no mystery picks.
Meet the Tyrannidae
A field guide to the Tyrannidae family — 444 species in the Birbs encyclopedia, with the best-known members to start with.