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Side-by-Side Comparison

Özellik	Black-crowned Night Heron	Ascension Night-heron
Bilimsel Ad	Nycticorax nycticorax	Nycticorax olsoni
Takım	Pelecaniformes	Pelecaniformes
Familya	Ardeidae	Ardeidae
Koruma Durumu	Least Concern	Not Evaluated
Uzunluk	—	—
Kanat Açıklığı	57,1 cm (22.5 in)	—
Ağırlık	779,425 g (27.49 oz)	624,57 g (22.03 oz)
Beslenme	--	--
Kuluçka Büyüklüğü	1-8	--
Population Trend	—	—

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Habitat Comparison

Ortak Yaşam Alanları

🏖️ Coastal

Black-crowned Night Heron only

🌿 Wetland

Ascension Night-heron only

Hiçbiri

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Koruma Durumu

Least Concern

Black-crowned Night Heron

Not Evaluated

Ascension Night-heron

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About These Birds

Black-crowned Night Heron

The Black-crowned Night Heron is a stocky, medium-sized heron with a distinctive black crown and back, grey wings, and white underparts, found on every continent except Australia and Antarctica. It inhabits a wide range of wetlands including marshes, swamps, rivers, and coastal areas, feeding nocturnally on fish, frogs, invertebrates, and small mammals. It nests colonially in trees or shrubs near water.

Ascension Night-heron

The Ascension Night-heron was a flightless heron known from subfossil remains on Ascension Island in the South Atlantic. Weighing an estimated 624g, it was likely driven to extinction by human activity and introduced predators. It is currently listed as Not Evaluated by conservation assessments.

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