Skip to main content

Photo: Great Sand Dunes National Park and Preserve / Public domain (Wikimedia Commons)

The Wilson’s Warbler (Cardellina pusilla) is a member of the Parulidae family found in North America. Adults weigh 7 g. The IUCN Red List lists it as Least Concern.

LC Least Concern

Widespread and abundant — not currently at risk.

Where it fits

  1. Class Aves
  2. Order Passeriformes
  3. Family Parulidae New World Warblers
  4. Genus Cardellina
  5. Species pusilla

Where it lives

Western, northern

Quick facts

Weight
7 g
Family
Parulidae
Habitat
Woodland

How to identify

Similar birds

Biology & behaviour

Diet

The Wilson’s Warbler 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 Wilson’s Warbler is migratory, making regular seasonal journeys between its breeding and non-breeding ranges.

The Wilson’s Warbler (Cardellina pusilla) is a member of the Parulidae family, within the order Passeriformes. It occurs naturally across North America. Its distribution covers NA w, n.

It is a very small bird. Adults weighs around 7 g, with a wing length of about 5.6 cm and a tail of around 4.8 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 8 million km².

Songs & calls

Wilson’s Warbler — Song

Recorded by Greg Irving Licence: CC BY-NC-SA 4.0

Frequently asked questions

How big is the Wilson’s Warbler?

The Wilson’s Warbler is a very small bird that weighs around 7 g.

Where does the Wilson’s Warbler live?

The Wilson’s Warbler is found across North America with a range covering NA w, n, where it favours woodland, forest and well-treed country.

What family does the Wilson’s Warbler belong to?

The Wilson’s Warbler (Cardellina pusilla) belongs to the Parulidae family, in the order Passeriformes.

What does the Wilson’s Warbler eat?

The Wilson’s Warbler is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.

Does the Wilson’s Warbler migrate?

The Wilson’s Warbler is migratory, making regular seasonal journeys between its breeding and non-breeding ranges.

Is the Wilson’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 Wilson’s Warbler make?

1 real field recording of the Wilson’s Warbler — 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 Wilson’s Warbler's range?

The Wilson’s Warbler has a mapped global range of about 8 million km².

Conservation

Least Concern

Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.

How to help birds

Explore more birds

More in Parulidae

More in Songbirds

Guides for this bird

Best Bird Feeders for Garden Songbirds

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.

4 min read

Back to top