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Side-by-Side Comparison

属性	Roseate Spoonbill	Giant Ibis
学名	Platalea ajaja	Thaumatibis gigantea
目	Pelecaniformes	Pelecaniformes
科	Threskiornithidae	Threskiornithidae
保全状況	Least Concern	Critically Endangered
体長	81.0 cm (31.9 in)	—
翼開長	127.0 cm (50.0 in)	106.6 cm (42.0 in)
体重	1500.0 g (52.91 oz)	3515.0 g (123.99 oz)
食性	Small fish, crustaceans, aquatic insects, and plant material filtered from shallow water by sweeping the …	--
一腹卵数	1-7	2-3
Population Trend	—	—

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Size Comparison

Body Length

Roseate Spoonbill 81.0 cm

Giant Ibis —

翼開長

Roseate Spoonbill 127.0 cm

Giant Ibis 106.6 cm

体重

Roseate Spoonbill 1500.0 g

Giant Ibis 3515.0 g

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Habitat Comparison

共通生息地

🌲 Forest 🌿 Wetland

Roseate Spoonbill only

🏖️ Coastal

Giant Ibis only

None

Roseate Spoonbill

Shallow coastal lagoons, estuaries, mangroves, and freshwater marshes. Nests in colonies in trees and shrubs.

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Song & Call Comparison

Roseate Spoonbill

さえずり

Low, grunting and guttural croaking sounds at nesting colonies. Generally quiet. Alarm calls are softer croaks. Vocalizations lack melodic quality; purely functional colony sounds.

Giant Ibis

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Geographic Range & Migration

Roseate Spoonbill

Southeastern United States, Caribbean, Mexico, Central America, and South America to Argentina.

Giant Ibis

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保全状況

Least Concern

Roseate Spoonbill

Critically Endangered

Giant Ibis

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How to Tell Them Apart

Roseate Spoonbill

羽毛

Vivid pink body plumage with darker carmine on the wings. Bare greenish-grey head. White neck and back. Intensity of pink depends on diet.

くちばし

Long, flat, spatulate greyish bill used for sweeping through shallow water

Giant Ibis

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About These Birds

Roseate Spoonbill

The roseate spoonbill is the only spoonbill species in the Americas and one of the most striking wading birds in the Western Hemisphere. Like flamingos, their pink color comes from carotenoid pigments in their crustacean prey. Nearly hunted to extinction for their plumes in the 19th century, they have recovered substantially.

Giant Ibis

ジャイアントアイビスはカンボジアとラオスの低地林に生息する絶滅危惧種の大型サギ類です。世界で最も絶滅が危惧されるトキの一種です。

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