Barred Puffbird
Nystalus radiatus
The barred puffbird is about 22 cm (8.7 in) long and weighs about 63 g (2.2 oz). Its crown is blackish with dark rufous bars. The upper nape is black, the lower nape yellowish red, and the upper mantle black. The rest of the upperparts and the wings are dark chestnut with narrow black bands. The tail is long, narrow, and chestnut with narrow black bands. The chin is whitish. The face and underparts are pale rufous with fine blackish bars except in the center of the belly. The bill is grayish yellow to blackish, the eye creamy yellow, and the feet greenish gray. Voice: The barred puffbird's song is "a long, slow, ventriloquial and very human-like wolf-whistle, 'phweeeeeet-weeeeeeuuuu'". Near the nest it made low-pitched "werr" and "werr werr woo" calls.
ID text from Wikipedia, CC BY-SA 4.0

Spot-backed Puffbird
Nystalus maculatus
The spot-backed puffbird is 18 to 19 cm (7.1 to 7.5 in) long and weighs 32 to 38 g (1.1 to 1.3 oz). It has a dark brown crown with bold buffy spangles and a pale rufous collar on the hindneck. Its upperparts and wing coverts are dark brown with buffy spangles and bars. The long, narrow, tail has broad black and narrow buffy bars. The face is mostly off-white with dusky streaks that are darker to the rear; it has a buffy supercilium. The chin is white and the throat, upper breast, and sides of the neck are orange-red.
ID text from Wikipedia, CC BY-SA 4.0

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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Barred Puffbird and Spot-backed Puffbird.