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Genus Wilsonia
Canada Warbler - These birds have yellow underparts, blue-grey upperparts and pink legs; they also have yellow eye-rings and thin, pointed bills. Adult males have black foreheads and black necklaces. Females and immatures have faint grey necklaces.
Hooded Warbler - The Hooded Warbler has a plain olive/green-brown back, and yellow underparts. Their outer rectrices have whitish vanes. Males have black hoods which surround their yellow faces; the female has an olive-green cap which does not extend to the forehead, ears and throat instead. Males attain their hood at about 9–12 months of age; younger birds are essentially identical to females. The song is a series of musical notes which sound like: wheeta wheeta whee-tee-oh, for which a common pneumonic is "The red, The red T-shirt". The call of these birds is a loud chip.
Wilson's Warbler - The Wilson's Warbler is a small passerine, ranging from 10–12 centimetres in length, with a wingspan of 14–17 centimetres and a mass of 5–10 grams . It has a plain green-brown back and yellow underparts. The male has a small black cap. Males of the western race W. p. chryseola are greener above and brighter than the eastern race.