Gyrfalcon vs Peregrine Falcon
Falco rusticolus เปรียบเทียบกับ Falco peregrinus
Side-by-Side Comparison
| คุณสมบัติ | Gyrfalcon | Peregrine Falcon |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Falco rusticolus | Falco peregrinus |
| อันดับ | Falconiformes | Falconiformes |
| วงศ์ตระกูล | Falconidae | Falconidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | 43.0 cm (16.9 in) |
| กว้างปีก | 73.6 cm (29.0 in) | 104.0 cm (40.9 in) |
| น้ำหนัก | 1325.0 g (46.74 oz) | 750.0 g (26.46 oz) |
| อาหาร | -- | Almost exclusively medium-sized birds caught in flight, including pigeons, doves, waterfowl, and songbirds. Hunts with … |
| จำนวนไข่ | 2-7 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
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Gyrfalcon only
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Peregrine Falcon
Diverse habitats from tundra to tropics, typically near cliffs or tall structures. Increasingly found in cities nesting on skyscrapers and bridges.
Song & Call Comparison
Gyrfalcon
Peregrine Falcon
A harsh, wailing 'kak-kak-kak-kak' repeated rapidly in defense of the nest. Alarm call is a long screaming 'raaak'. Mostly silent away from breeding sites.
Geographic Range & Migration
Gyrfalcon
Peregrine Falcon
One of the most widespread birds, found on every continent except Antarctica. Migratory populations travel vast distances between breeding and wintering grounds.
สถานะการอนุรักษ์
Gyrfalcon
Peregrine Falcon
How to Tell Them Apart
Gyrfalcon
Peregrine Falcon
Blue-grey upperparts with barred white underparts. A distinctive black moustachial stripe contrasts with the white throat and cheeks.
Short, notched blue-grey bill with a yellow cere
About These Birds
Peregrine Falcon
The peregrine falcon is the fastest animal on Earth, reaching speeds over 389 km/h during its characteristic hunting stoop. Like the bald eagle, peregrines suffered dramatic declines from DDT but have recovered through intensive conservation programs. They have adapted remarkably well to urban environments.