Auckland Islands Shag vs Heard Shag

Leucocarbo colensoi compared with Leucocarbo nivalis

Side-by-Side Comparison

Attribute Auckland Islands Shag Heard Shag
Scientific Name Leucocarbo colensoi Leucocarbo nivalis
Order Suliformes Suliformes
Family Phalacrocoracidae Phalacrocoracidae
Conservation Status Vulnerable Not Evaluated
Length — —
Wingspan 54.7 cm (21.5 in) —
Weight 2000.0 g (70.55 oz) 2931.0 g (103.39 oz)
Diet -- --
Clutch Size 3 2-4
Population Trend — —

Habitat Comparison

Shared Habitats

Auckland Islands Shag only

None

Heard Shag only

Conservation Status

Vulnerable

Auckland Islands Shag

Not Evaluated

Heard 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.

Heard Shag

63 cm. Black above; white below; orange caruncles. Endemic to Heard Island and McDonald Islands, remote Australian sub-Antarctic territory. Vulnerable; population of only a few thousand in a very restricted range. Feeds on fish and invertebrates in cold surrounding ocean.

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