Southern Tropical Pewee
Contopus cinereus
The southern tropical pewee is 13.5 to 14.5 cm (5.3 to 5.7 in) long and weighs about 10 to 15 g (0.35 to 0.53 oz). The sexes have the same plumage. Adults of the nominate subspecies have a dark blackish gray crown with a slight crest, white to grayish white lores, and a thin white eye-ring on an otherwise grayish olive face. Their back is sooty olive-gray and their rump and uppertail coverts brownish olive with a hidden white feather tuft on either side of the rump. Their wings are mostly dusky. Voice: The southern tropical pewee's song is a "clear emphatic whistled pee-heeuw!, repeated at intervals". Its call is a "very short note typically repeated several times...pip..pip..pip..pip..pip....". The song and call have also been written as a "descending tjeuuw" and a "very high, staccato wic wic-" respectively. The species sings and calls at any time of day though more in the morning.
ID text from Wikipedia, CC BY-SA 4.0
Western Wood Pewee
Contopus sordidulus
Adults are gray-olive on the upperparts with light underparts, washed with olive on the breast. They have two wing bars and a dark bill with yellow at the base of the lower mandible. This bird is very similar in appearance to the eastern wood pewee; the two birds were formerly considered to be one species. The call of C. sordidulus is a loud buzzy peeer; the song consists of three rapid descending tsees ending with a descending peeer. The bird is about 5.5–6.3 in (14–16 cm) in length, 0.4–0.5 oz (11–14 g) in weight, and has a wingspan of 10.2 in (26 cm).
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Southern Tropical Pewee and Western Wood Pewee.