Middle American Screech Owl
Megascops guatemalae
The Middle American screech owl is 20 to 23 cm (7.9 to 9.1 in) long and weighs 95 to 150 g (3.4 to 5.3 oz). It is dimorphic, with one morph overall grayish-brown and the other overall rufous. Unlike other owls of the same genus, it has feathered feet. The brown morph has a light brown facial disc with a thin dark border, thin white brows over yellow eyes, and short dark "ear" tufts. Its crown and upperparts range from dark gray brown to blackish brown; the crown has blackish spots and bars and the back has darker streaks and vermiculations. The fairly long tail is barred. Voice: The Middle American screech owl's principal territorial song is "a rapid, quavering trill...increasing in pitch and volume, ending abruptly". Its secondary song is a "short series of notes...in bouncing-ball rhythm."
ID text from Wikipedia, CC BY-SA 4.0

Tawny-bellied Screech Owl
Megascops watsonii
The tawny-bellied screech owl is 19 to 24 cm (7.5 to 9.4 in) long. The nominate subspecies weighs 114 to 155 g (4.0 to 5.5 oz) and M. w. usta 115 to 141 g (4.1 to 5.0 oz). The nominate has a dark buff facial disc with a thin darker border, dark buff brows over dark yellow eyes, and longish broad "ear" tufts. The crown and upperparts are dark gray-brown with black and buff spots and vermiculations. The tail has alternating brown and light buff bars. The breast is dark brown with small buff spots. The rest of the underparts are buff with black streaks and the belly also has faint white bars. M. Voice: The nominate tawny-bellied screech owl's primary song is "a long series of rapid notes, becoming faster and louder, then fading with low trill." That of M. w. usta is similar but slower. The nominate's secondary song is a "brief series of short 'wu' notes"; that of M. w. usta is "thought to be fast series of 'bu' notes, slowing to 'bouncing' rhythm".
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: Middle American Screech Owl and Tawny-bellied Screech Owl.