Auckland Islands Shag vs Chatham Islands Shag

Leucocarbo colensoi compared with Leucocarbo onslowi

Side-by-Side Comparison

Attribute Auckland Islands Shag Chatham Islands Shag
Scientific Name Leucocarbo colensoi Leucocarbo onslowi
Order Suliformes Suliformes
Family Phalacrocoracidae Phalacrocoracidae
Conservation Status Vulnerable Critically Endangered
Length — —
Wingspan 54.7 cm (21.5 in) 51.8 cm (20.4 in)
Weight 2000.0 g (70.55 oz) 2095.0 g (73.90 oz)
Diet -- --
Clutch Size 3 3
Population Trend — —

Habitat Comparison

Shared Habitats

Auckland Islands Shag only

None

Chatham Islands Shag only

None

Conservation Status

Vulnerable

Auckland Islands Shag

Critically Endangered

Chatham Islands Shag

About These Birds

Auckland Islands Shag

63 cm. Black and white; orange caruncles. Endemic to Auckland Islands, New Zealand subantarctic. Vulnerable; total population estimated at only a few thousand. Feeds on fish and invertebrates in surrounding cold ocean waters. Non-migratory; restricted to the island group.

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.

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