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Side-by-Side Comparison

คุณสมบัติ	Australasian Bittern	Ascension Night-heron
ชื่อวิทยาศาสตร์	Botaurus poiciloptilus	Nycticorax olsoni
อันดับ	Pelecaniformes	Pelecaniformes
วงศ์ตระกูล	Ardeidae	Ardeidae
สถานะการอนุรักษ์	Vulnerable	Not Evaluated
ความยาว	—	—
กว้างปีก	64.1 cm (25.2 in)	—
น้ำหนัก	1166.5 g (41.15 oz)	624.57 g (22.03 oz)
อาหาร	--	--
จำนวนไข่	4-5	--
Population Trend	—	—

{# ════════════════════════════════════════════════════════════════════════ Visual Size Comparison ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Habitat Comparison ════════════════════════════════════════════════════════════════════════ #}

Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

ไม่มี

Australasian Bittern only

🌿 Wetland

Ascension Night-heron only

🏖️ Coastal

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

สถานะการอนุรักษ์

Vulnerable

Australasian Bittern

Not Evaluated

Ascension Night-heron

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

About These Birds

Australasian Bittern

The Australasian Bittern is a Vulnerable large heron found in freshwater wetlands and reed beds across Australia and New Zealand. Weighing about 1,166.5g with a wingspan of 64.1cm, it is a cryptically streaked brown bird that freezes motionless with its bill pointed skyward when threatened. It feeds on fish, frogs, and aquatic invertebrates at night.

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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