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Canada Warbler

Canada Warbler Identification Guide

Canada Warbler

Key facts

Scientific name: Cardellina canadensis
UK status: Acciental (rare vagrant)
Global conservation status: Least concern
Length: 13 cm
Wingspan: 19 – 21 cm
Weight: 10.5 g

Description

The Canada warbler is a small songbird, with a long tail, full chest, and straight, sharp bill.

The adult male has blue-grey upperparts and bright yellow underparts, with a distinctive band of black streaks across the chest, earning the species its alternative name, the “necklaced warbler”. The face is yellow, with a white eyering around the dark eyes. The bill is dark and the legs and feet are pale orange. The female is similar in appearance, though her upperparts are duller and the necklace is less pronounced.

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Diet

The Canada warbler feeds mainly on insects, such as beetles, mosquitoes, flies, and caterpillars, as well as spiders, snails, worms, and occasionally fruit.

It forages in the undergrowth and among fallen leaves, sometimes flushing out prey to catch it in mid-air.

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Tim Spahr/xeno-canto

Range and habitat

Canada warblers are found across parts of Canada and the United States, ranging from the Yukon to Nova Scotia, and from northern Minnesota and northern Pennsylvania eastward to New York. They inhabit boggy environments, including wet woodlands, swamps, bushy ravines, and dense thickets.

They are long-distance migrants travelling over 3,000 miles to spend the winter in South America from Guyana to northwestern Bolivia.

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