Antarctic Shag vs Rough-faced Shag

Leucocarbo bransfieldensis compared with Leucocarbo carunculatus

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 — —

Habitat Comparison

Shared Habitats

Antarctic Shag only

None

Rough-faced Shag only

None

Conservation Status

Not Evaluated

Antarctic Shag

Vulnerable

Rough-faced Shag

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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