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Side-by-Side Comparison

Attribute	Ascension Night-heron	Rufescent Tiger-Heron
Scientific Name	Nycticorax olsoni	Tigrisoma lineatum
Order	Pelecaniformes	Pelecaniformes
Family	Ardeidae	Ardeidae
Conservation Status	Not Evaluated	Least Concern
Length	—	—
Wingspan	—	61.3 cm (24.1 in)
Weight	624.57 g (22.03 oz)	805.0 g (28.40 oz)
Diet	--	--
Clutch Size	--	1-3
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🏖️ Coastal

Ascension Night-heron only

None

Rufescent Tiger-Heron only

🌿 Wetland

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Conservation Status

Not Evaluated

Ascension Night-heron

Least Concern

Rufescent 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.

Rufescent Tiger-Heron

The Rufescent Tiger-Heron (Tigrisoma lineatum) is a large, secretive heron of the family Ardeidae found widely in South America and parts of Central America. Adults display a striking combination of rufous-chestnut on the head, neck, and breast, sharply contrasting with the finely barred black and white upperparts — a pattern reminiscent of a tiger's stripes, hence the common name for the genus. The throat has a distinct white median stripe. Immatures are heavily barred overall with brown and buff, providing …

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