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Side-by-Side Comparison

属性	Ascension Night-heron	Fasciated Tiger-Heron
学名	Nycticorax olsoni	Tigrisoma fasciatum
目	Pelecaniformes	Pelecaniformes
科	Ardeidae	Ardeidae
保全状況	Not Evaluated	Least Concern
体長	—	—
翼開長	—	62.1 cm (24.4 in)
体重	624.57 g (22.03 oz)	850.0 g (29.98 oz)
食性	--	--
一腹卵数	--	1
Population Trend	—	—

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Habitat Comparison

共通生息地

None

Ascension Night-heron only

🏖️ Coastal

Fasciated Tiger-Heron only

🌲 Forest

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保全状況

Not Evaluated

Ascension Night-heron

Least Concern

Fasciated Tiger-Heron

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About These Birds

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.

Fasciated Tiger-Heron

The Fasciated Tiger-Heron (Tigrisoma fasciatum) is the smallest and most montane member of the tiger-heron genus Tigrisoma, belonging to the family Ardeidae. Adults show the characteristic tiger-patterned plumage of the genus: finely vermiculated or barred dark brown, gray, and black on the upperparts, neck, and breast, creating intricate cryptic patterning. The throat shows a pale central stripe. Unlike the more widespread Rufescent Tiger-Heron, adults lack the rich rufous-chestnut tones on the head and neck, appearing more uniformly dark and barred …

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