Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
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Song & Call Comparison
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Song & Call Comparison
オウギワシ
さえずり
Rarely heard; emits mournful whistled screams 'wheee-oo' and low croaking grunts near the nest. Vocalizations poorly documented given its remote Amazonian habitat.
Mallard
さえずり
Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.
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Geographic Range & Migration
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Geographic Range & Migration
オウギワシ
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
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Conservation Status Comparison
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保全状況
Vulnerable
オウギワシ
Least Concern
Mallard
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Identification Tips — How to Tell Them Apart
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How to Tell Them Apart
オウギワシ
羽毛
Slate-black upperparts and head with a pale grey breast and white underparts with black barring. A distinctive split grey crest rises when the bird is alarmed.
くちばし
Massive dark hooked bill, one of the largest of any eagle
Mallard
羽毛
Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.
くちばし
Broad, flat bill — yellow-green in males, orange-brown in females
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About Each Bird (Descriptions)
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More Birds in Family
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