Great Horned Owl vs Bare-shanked Screech-owl
Bubo virginianus เปรียบเทียบกับ Megascops clarkii
Side-by-Side Comparison
| คุณสมบัติ | Great Horned Owl | Bare-shanked Screech-owl |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Bubo virginianus | Megascops clarkii |
| อันดับ | Strigiformes | Strigiformes |
| วงศ์ตระกูล | Strigidae | Strigidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | 55.0 cm (21.7 in) | — |
| กว้างปีก | 127.0 cm (50.0 in) | 36.2 cm (14.3 in) |
| น้ำหนัก | 1400.0 g (49.38 oz) | 155.8 g (5.50 oz) |
| อาหาร | Extremely diverse — mammals (rabbits, skunks, rodents), birds (including other raptors), reptiles, amphibians, and fish. … | -- |
| จำนวนไข่ | 1-4 | -- |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Great Horned Owl only
Bare-shanked Screech-owl only
ไม่มี
Great Horned Owl
Diverse habitats including forests, deserts, swamps, urban parks, and suburban areas. Nests in tree hollows, cliff ledges, and abandoned nests of other large birds.
Song & Call Comparison
Great Horned Owl
Deep, resonant 'who-who-who-who-ooo': the classic 'hoo-h'HOO-hoo-hoo' territorial duet of a mated pair. Booms at dusk. Female pitch slightly higher than male.
Bare-shanked Screech-owl
Geographic Range & Migration
Great Horned Owl
North and South America from subarctic Canada to Tierra del Fuego. One of the most widespread owls in the Americas.
Bare-shanked Screech-owl
สถานะการอนุรักษ์
Great Horned Owl
Bare-shanked Screech-owl
How to Tell Them Apart
Great Horned Owl
Mottled grey-brown plumage with heavy dark barring. Prominent ear tufts, yellow eyes, and a white throat patch give a fierce expression.
Dark grey-black hooked bill almost hidden by facial disc feathers
Bare-shanked Screech-owl
About These Birds
Great Horned Owl
The great horned owl is the most powerful and widespread owl in the Americas, earning the nickname tiger of the sky. It is one of the earliest nesting birds, often laying eggs in January when snow still covers the ground. Great horned owls are fierce predators, regularly taking prey up to three times their own weight.
Bare-shanked Screech-owl
The Bare-shanked Screech-owl is a medium-sized owl of the family Strigidae found in montane forests of Costa Rica and western Panama. Weighing about 155.8g with a wingspan of 36.2cm, it is characterized by its unfeathered tarsi. It is nocturnal and hunts insects, small vertebrates, and invertebrates in highland forest habitats.