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Side-by-Side Comparison

Attribute	Antarctic Shag	Rough-faced Shag
Scientific Name	Leucocarbo bransfieldensis	Leucocarbo carunculatus
Order	Suliformes	Suliformes
Family	Phalacrocoracidae	Phalacrocoracidae
Conservation Status	Not Evaluated	Vulnerable
Length	—	—
Wingspan	—	57.6 cm (22.7 in)
Weight	2780.0 g (98.06 oz)	2577.5 g (90.92 oz)
Diet	--	--
Clutch Size	2-3	1-3
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🏖️ Coastal

Antarctic Shag only

None

Rough-faced Shag only

None

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Conservation Status

Not Evaluated

Antarctic Shag

Vulnerable

Rough-faced Shag

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About These Birds

Antarctic Shag

63–72 cm. Black above; white below; caruncles reduced compared to related shags. Breeds on the Antarctic Peninsula and associated islands. Feeds on fish in cold Antarctic coastal waters. One of the southernmost-breeding cormorants; largely sedentary around breeding colonies.

Rough-faced Shag

65–70 cm. Black above; white below; prominent orange-red facial caruncles. Endemic to Cook Strait area, New Zealand. Vulnerable; small fragmented population. Feeds on fish and invertebrates in coastal waters. Colonial nester on cliff ledges; distinct from other New Zealand shags.

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