アカオノスリ vs Wilson's Bird-of-paradise

Buteo jamaicensis 比較対象 Cicinnurus respublica

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Side-by-Side Comparison

属性 アカオノスリ Wilson's Bird-of-paradise
学名 Buteo jamaicensis Cicinnurus respublica
Accipitriformes Passeriformes
Accipitridae Paradisaeidae
保全状況 Least Concern Near Threatened
体長 53.0 cm (20.9 in) 16.0 cm (6.3 in)
翼開長 124.0 cm (48.8 in) 19.0 cm (7.5 in)
体重 1080.0 g (38.10 oz) 55.0 g (1.94 oz)
食性 Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … Fruit and insects gleaned from the forest canopy and subcanopy. Particularly favors figs.
一腹卵数 2-4 --
Population Trend
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Size Comparison

Body Length
アカオノスリ 53.0 cm
Wilson's Bird-of-paradise 16.0 cm
翼開長
アカオノスリ 124.0 cm
Wilson's Bird-of-paradise 19.0 cm
体重
アカオノスリ 1080.0 g
Wilson's Bird-of-paradise 55.0 g
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Habitat Comparison

共通生息地

アカオノスリ only

Wilson's Bird-of-paradise only

None

アカオノスリ

Open country with scattered elevated perches such as trees, poles, and cliffs. Adaptable to farmland, grasslands, roadsides, and suburban areas.

Wilson's Bird-of-paradise

Lowland and hill forests on the small islands of Waigeo and Batanta in the Raja Ampat archipelago, Indonesia.

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Song & Call Comparison

アカオノスリ

さえずり

Iconic, raspy descending scream: 'kreeeeee-ar', often used in films for all raptors. Gives short barking 'kak' notes near nest. Juveniles beg with persistent squealing whistles.

Wilson's Bird-of-paradise

さえずり

Male gives a harsh, nasal 'waah' or 'eeah' from display perch. Song is poorly documented in wild. Also produces mechanical rattling wing sounds during display flights.

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Geographic Range & Migration

アカオノスリ

North America from Alaska to Panama, including the Caribbean. One of the most common raptors in North America.

Wilson's Bird-of-paradise

Endemic to the islands of Waigeo and Batanta off the northwestern tip of New Guinea, Indonesia.

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保全状況

Least Concern

アカオノスリ

Near Threatened

Wilson's Bird-of-paradise

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How to Tell Them Apart

アカオノスリ

羽毛

Variable plumage from pale to dark morphs. Most adults have rich brown upperparts, a pale breast with a dark belly band, and the characteristic rufous-red tail.

くちばし

Dark hooked bill with a yellow cere

Wilson's Bird-of-paradise

羽毛

Males have a brilliant red back, yellow nape, turquoise blue bare crown, and green breast shield. Violet-blue curled tail wires. Females are brownish with bare blue crown.

くちばし

Short, slightly curved greyish bill

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About These Birds

アカオノスリ

The red-tailed hawk is the most widespread and common hawk in North America. Its screaming cry is so iconic that it is often dubbed over bald eagle footage in films and television. These adaptable raptors thrive in human-altered landscapes and are a familiar sight perched along highways.

Wilson's Bird-of-paradise

Wilson's bird-of-paradise is one of the most extraordinarily colored birds on Earth. Males meticulously clear a patch of forest floor as a display court, removing every leaf and twig. The species was virtually unknown to science until the late 20th century due to its restricted island range.

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