Photo: TonyCastro / CC BY-SA 4.0 (Wikimedia Commons)
Swainson’s Warbler
Limnothlypis swainsonii
Swainson's Warbler (Limnothlypis swainsonii) — Songbirds & Perching Birds of North America.
Found across 20 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Swainson’s Warbler (Limnothlypis swainsonii) is a member of the Parulidae family found in North America. Adults weigh 18.9 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 Parulidae New World Warblers
- Genus Limnothlypis
- Species swainsonii
Quick facts
- Weight
- 18.9 g
- Diet
- Invertebrate-eaters
- Family
- Parulidae
- Order
- Passeriformes
- Habitat
- Woodland
How to identify
Similar birds
Least Concern
Least Concern
Endangered
Least Concern
Biology & behaviour
Diet
The Swainson’s Warbler is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Behaviour
A bird of dense scrub and shrubland, it forages mainly on the ground.
Migration
The Swainson’s Warbler is migratory, making regular seasonal journeys between its breeding and non-breeding ranges.
The Swainson’s Warbler (Limnothlypis swainsonii) is a member of the Parulidae family, within the order Passeriformes. Its range spans North America. Its distribution covers NA se USA.
It is a small bird. Adults weighs around 18.9 g, with a wing length of about 7.2 cm and a tail of around 5 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 1.1 million km².
Songs & calls
Frequently asked questions
How big is the Swainson’s Warbler?
The Swainson’s Warbler is a small bird that weighs around 18.9 g.
Where does the Swainson’s Warbler live?
The Swainson’s Warbler is found across North America with a range covering NA se USA, where it favours woodland, forest and well-treed country.
What family does the Swainson’s Warbler belong to?
The Swainson’s Warbler (Limnothlypis swainsonii) belongs to the Parulidae family, in the order Passeriformes.
What does the Swainson’s Warbler eat?
The Swainson’s Warbler is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Does the Swainson’s Warbler migrate?
The Swainson’s Warbler is migratory, making regular seasonal journeys between its breeding and non-breeding ranges.
Is the Swainson’s Warbler 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 Swainson’s Warbler make?
1 real field recording of the Swainson’s Warbler — 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 Swainson’s Warbler's range?
The Swainson’s Warbler has a mapped global range of about 1.1 million 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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