Great Blue Heron vs Peregrine Falcon
Ardea herodias 比較対象 Falco peregrinus
Side-by-Side Comparison
| 属性 | Great Blue Heron | Peregrine Falcon |
|---|---|---|
| 学名 | Ardea herodias | Falco peregrinus |
| 目 | Pelecaniformes | Falconiformes |
| 科 | Ardeidae | Falconidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 117.0 cm (46.1 in) | 43.0 cm (16.9 in) |
| 翼開長 | 183.0 cm (72.0 in) | 104.0 cm (40.9 in) |
| 体重 | 2400.0 g (84.66 oz) | 750.0 g (26.46 oz) |
| 食性 | Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … | 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 | — | — |
Size Comparison
Habitat Comparison
Great Blue Heron
Wetlands of all types including marshes, swamps, riverbanks, lake edges, and coastal shores. Also hunts in fields and meadows.
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
Great Blue Heron
Deep, harsh, croaking 'frahnk-frahnk' call in flight. Also gives low guttural grunts at the nest. Alarmed birds give repeated croaks. Mostly silent for such a large wader.
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
Great Blue Heron
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
Peregrine Falcon
One of the most widespread birds, found on every continent except Antarctica. Migratory populations travel vast distances between breeding and wintering grounds.
保全状況
Great Blue Heron
Peregrine Falcon
How to Tell Them Apart
Great Blue Heron
Blue-grey body with a white head bearing a broad black stripe extending to a long black plume. Rufous-brown thighs. In flight, the neck is folded into an S-shape.
Long, dagger-like yellowish bill
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
Great Blue Heron
The great blue heron is the largest heron in North America, standing up to 1.4 meters tall. These patient hunters can stand motionless for extended periods before striking at prey with remarkable speed. They nest in large colonies called heronries, often returning to the same site year after year.
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。