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Side-by-Side Comparison

属性	Gyrfalcon	Peregrine Falcon
学名	Falco rusticolus	Falco peregrinus
目	Falconiformes	Falconiformes
科	Falconidae	Falconidae
保全状況	Least Concern	Least Concern
体長	—	43.0 cm (16.9 in)
翼開長	73.6 cm (29.0 in)	104.0 cm (40.9 in)
体重	1325.0 g (46.74 oz)	750.0 g (26.46 oz)
食性	--	Almost exclusively medium-sized birds caught in flight, including pigeons, doves, waterfowl, and songbirds. Hunts with …
一腹卵数	2-7	2-4
Population Trend	—	—

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Size Comparison

Body Length

Gyrfalcon —

Peregrine Falcon 43.0 cm

翼開長

Gyrfalcon 73.6 cm

Peregrine Falcon 104.0 cm

体重

Gyrfalcon 1325.0 g

Peregrine Falcon 750.0 g

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Habitat Comparison

共通生息地

🌾 Grassland 🏖️ Coastal

Gyrfalcon only

None

Peregrine Falcon only

🌿 Wetland 🏜️ Desert

Peregrine Falcon

Diverse habitats from tundra to tropics, typically near cliffs or tall structures. Increasingly found in cities nesting on skyscrapers and bridges.

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Song & Call Comparison

Gyrfalcon

Peregrine Falcon

さえずり

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.

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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.

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保全状況

Least Concern

Gyrfalcon

Least Concern

Peregrine Falcon

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How to Tell Them Apart

Gyrfalcon

Peregrine Falcon

羽毛

Blue-grey upperparts with barred white underparts. A distinctive black moustachial stripe contrasts with the white throat and cheeks.

くちばし

Short, notched blue-grey bill with a yellow cere

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About These Birds

Gyrfalcon

Peregrine Falcon

世界最速の動物として知られるハヤブサで、急降下時には時速320キロメートルを超えることがある。南極を除く全大陸に生息し、都市部での繁殖も増加している。

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Related Comparisons

Peregrine Falcon vs Common Kestrel

same-family

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