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The eastern screech owl (and its western counterpart) are actually some of the heaviest screech owls; the largest tropical screech owls do not exceed them in average or maximal weight, but (due to the eastern screech owls' relatively short tails) they are surpassed in length by Balsas (M. seductus), long-tufted (M. sanctaecatarinae), white ...
The western screech owl (Megascops kennicottii) is a small owl native to North and Central America, ... Weight ranges from 88 to 220 g (3.1 to 7.8 oz). [3]
Screech owls are typical owls belonging to the genus Megascops with 22 living species.For most of the 20th century, this genus was merged with the Old World scops owls in Otus, but nowadays it is again considered separately based on a range of behavioral, biogeographical, morphological, and DNA sequence data.
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 bare-shanked screech owl (Megascops clarkii) is a species of owl in the family Strigidae. It is a large owl that feeds at night in forests and lives in a family size group, even during breeding season. The owl's range is only in Costa Rica, Panama, and far northwestern Colombia. The owl preys on large insects, shrews, and small rodents.
The rufescent screech owl is one of the larger species of its genus, similar in size to the white-throated screech owl (M. albogularis).Its overall length is 25 to 28 cm (9.8 to 11.0 in) and weight in males is 134 to 180 g (4.7 to 6.3 oz) and in females 140 to 223 g (4.9 to 7.9 oz).
The nominate tawny-bellied screech owl's primary song is "a long series of rapid notes, becoming faster and louder, then fading with [a] 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 [a ...
The bearded screech owl is the smallest of its genus in North America. It is 16 to 20 cm (6.3 to 7.9 in) long; males weigh about 63 g (2.2 oz) and females 72 g (2.5 oz). In addition to being heavier, females have somewhat longer wings and tails, and in both sexes the wings extend past the tail.