Chatham Islands Shag vs Pelagic Cormorant

Leucocarbo onslowi compared with Urile pelagicus

Side-by-Side Comparison

Attribute Chatham Islands Shag Pelagic Cormorant
Scientific Name Leucocarbo onslowi Urile pelagicus
Order Suliformes Suliformes
Family Phalacrocoracidae Phalacrocoracidae
Conservation Status Critically Endangered Least Concern
Length
Wingspan 51.8 cm (20.4 in) 50.9 cm (20.0 in)
Weight 2095.0 g (73.90 oz) 1767.3333333333333 g (62.34 oz)
Diet -- --
Clutch Size 3 3-4
Population Trend

Habitat Comparison

Shared Habitats

Chatham Islands Shag only

None

Pelagic Cormorant only

None

Conservation Status

Critically Endangered

Chatham Islands Shag

Least Concern

Pelagic Cormorant

About These Birds

Chatham Islands Shag

63 cm. Black and white; orange-red caruncles at bill base. Endemic to Chatham Islands, New Zealand. Critically Endangered; total population fewer than 1,000 birds. Restricted to a few Chatham Islands colonies; feeds on fish and invertebrates in surrounding coastal waters.

Pelagic Cormorant

63–73 cm. Small, slim cormorant; entirely glossy green-black; narrow bill; slender neck. Breeds along Pacific coasts from Baja California to NE Russia on rocky cliffs. Feeds on small fish in kelp beds. Least gregarious North Pacific cormorant; nests in small scattered groups.

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