Canada warbler, credit: PaulReevesPhotography / Essentials Collection/ Getty Images

Special Concern Provincially, Threatened Nationally


• Small, brightly-coloured songbird; male is more brightly coloured than female, with bluish-grey back and tail and bright yellow underparts; black forehead;
distinctive black necklace across chest
• Male sings distinctive song of clear, liquid notes ending emphatically
• Breeds in range of deciduous and coniferous forest types with well-developed, dense shrub layer
• Usually nests on or near ground on mossy logs or roots along stream banks or on hummocks


• Approximately 80 percent of the species’ global breeding range is located in Canada where it breeds in all provinces and territories except Nunavut and Newfoundland and Labrador
• Breeds in the boreal shield; in Ontario it is most abundant along the southern shield


• Habitat loss


• Federally protected under the Migratory Birds Convention Act, 1994
• Federally protected under Species at Risk Act, 2002


Between 1997 and 2007, the Canada warbler declined by 43 percent in Canada.