Central American Pygmy Owl
Glaucidium griseiceps
The Central American pygmy owl is 13 to 18 cm (5.1 to 7.1 in) long. Males weigh 50.6 to 58.8 g (1.78 to 2.07 oz) and females about 56 g (2.0 oz). Adults' crown and nape are grayish brown; the crown has buff to whitish spots and the nape dark "false eyes". Their upperparts and tail are rich brown and the tail has pale bars across it. Their underparts are whitish with reddish brown streaks. The juvenile's crown and nape are gray; the crown is unspotted and the nape's false eyes are sooty. Voice: The Central American pygmy owl's song "begins with 2–4 equally spaced hoots, followed by very brief pause, then series of 6–18 very similar notes, 'huu-huu, huu-huu-huu...'". It is sometimes preceded by trills.
ID text from Wikipedia, CC BY-SA 4.0
Colima Pygmy Owl
Glaucidium palmarum
The Colima pygmy owl is 13 to 15 cm (5.1 to 5.9 in) long. Male specimens weigh 43 to 48 g (1.5 to 1.7 oz) and females are noted as heavier without quantification. The head and back are brown, the wings mostly grayish brown, and the tail a deeper grayish brown. The head has small dull white spots. White spots show along the closed wing and the tail has oval white spots forming bands across it. The face has dull white "eyebrows" and the nape has a pair of dark "eye spots". The underparts are buffy white with wide cinnamon stripes. Voice: The Colima pygmy owl's song is a "hollow hooting ... with variable, often increasing, number of notes... up to 24 notes (or more?) in series."
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: Central American Pygmy Owl and Colima Pygmy Owl.