The Blackpoll Warbler is a fairly small bird which attains the weight of a ball point pen.Body length is from 12.5 to 15 cm (4.9 to 5.9 in) and wingspan ranges from 20 to 25 cm (7.9 to 9.8 in). Body mass can vary from 9.7 to 21 g. The summer males have dark-streaked brown backs, white faces and black crowns. Their underparts are white with black streaks, and two white wing bars. The females lack the strong head patterns, and their crowns and faces are shades of gray.
Habitat and Distribution
The blackpoll warbler is found in boreal coniferous forests, mixed conifers and birch/aspen forests, or second-growth scrubland or woodlands. During migration they are found in gardens, woodlands, scrubland and savannas.
Blackpoll warblers mainly feed on insects, spiders and add fruit and seeds to the diet especially during migration.
Breeds in the boreal forests of Canada & Alaska. Makes a small open cup nest with twigs lined with grass and feathers in a tree. Lays 3 to 5 white or cream eggs with brown spots. The eggs are incubated for about 12 days by the male.
Calls and Songs
The song is a vary high pitched `tseet, tseet, tseet, tseet`.