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Side-by-Side Comparison

属性	Roseate Spoonbill	Straw-necked Ibis
学名	Platalea ajaja	Threskiornis spinicollis
目	Pelecaniformes	Pelecaniformes
科	Threskiornithidae	Threskiornithidae
保全状況	Least Concern	Least Concern
体長	81.0 cm (31.9 in)	—
翼開長	127.0 cm (50.0 in)	72.9 cm (28.7 in)
体重	1500.0 g (52.91 oz)	1340.0 g (47.27 oz)
食性	Small fish, crustaceans, aquatic insects, and plant material filtered from shallow water by sweeping the …	--
一腹卵数	1-7	2-5
Population Trend	—	—

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Size Comparison

Body Length

Roseate Spoonbill 81.0 cm

Straw-necked Ibis —

翼開長

Roseate Spoonbill 127.0 cm

Straw-necked Ibis 72.9 cm

体重

Roseate Spoonbill 1500.0 g

Straw-necked Ibis 1340.0 g

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Habitat Comparison

共通生息地

🌲 Forest 🌿 Wetland 🏖️ Coastal

Roseate Spoonbill only

None

Straw-necked Ibis only

🌾 Grassland

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.

Straw-necked Ibis

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Geographic Range & Migration

Roseate Spoonbill

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

Straw-necked Ibis

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保全状況

Least Concern

Roseate Spoonbill

Least Concern

Straw-necked 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

Straw-necked 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.

Straw-necked Ibis

ストローネックトキはオーストラリアの湿地帯に広く分布するトキです。首に藁のような毛が生えているように見えることから名前がつきました。

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More Birds to Explore

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African Sacred Ibis Threskiornis aethiopicus Reunion Ibis Threskiornis solitarius Northern Bald Ibis Geronticus eremita Andean Ibis Theristicus branickii All Threskiornithidae birds →

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