Antarctic Shag vs Socotra Cormorant

Leucocarbo bransfieldensis compared with Phalacrocorax nigrogularis

Side-by-Side Comparison

Attribute Antarctic Shag Socotra Cormorant
Scientific Name Leucocarbo bransfieldensis Phalacrocorax nigrogularis
Order Suliformes Suliformes
Family Phalacrocoracidae Phalacrocoracidae
Conservation Status Not Evaluated Vulnerable
Length
Wingspan 56.6 cm (22.3 in)
Weight 2780.0 g (98.06 oz) 1560.0 g (55.03 oz)
Diet -- --
Clutch Size 2-3 2-4
Population Trend

Habitat Comparison

Shared Habitats

Antarctic Shag only

None

Socotra Cormorant only

None

Conservation Status

Not Evaluated

Antarctic Shag

Vulnerable

Socotra Cormorant

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.

Socotra Cormorant

80 cm. Large; dark brown with pale yellow gape and facial skin. Breeds on islands in the Persian Gulf, Gulf of Oman, and Red Sea. Vulnerable; faces threats from oil spills, human disturbance, and overfishing. Feeds on fish in warm Arabian Sea; colonial nester on flat, barren islands.

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