emperor penguin
Emperor Penguin swimming

Order Sphenisciformes

Family Spheniscidae

Class Aves

Genus Aptenodytes

Scientific Name

Aptenodytes forsteri

Thumbnail Description

  • The emperor penguin is not only the largest but the highest of all penguins.
  • They travel 50–120 km (31–75 mi) in search of breeding colonies.
  • They are able to reach depths of about 265 m (869 ft), with dive periods of up to 18 minutes.
  • Both parents search food up to 500 km (311 mi) from colonies.
emperor penguin
Emperor Penguin with its chicks ©www.telegraph.co.uk

Size & Weight

Adult:

BODY-HEIGHT: 110–130 cm (43–51 in)

WEIGHT: 22.7 to 45.4 kg (50 to 100 lb)

Newborn

WEIGHT: 315 g (11 oz)

Habitat

Ice cliffs, icebergs

Range

Dion Islands, Antarctic Peninsula, Snow Island, Heard Island (South Georgia), Coulman Island, Halley, Dibble Glacier, Victoria Island, Cape Washington, Ross Sea, Taylor Glacier

emperor penguin
Adult Emperor Penguins with chicks

Diet

Crustaceans, cephalopods, Antarctic silverfish, glacial squid, hooked squid, Antarctic krill

Number of Eggs

1 egg

Eggs Size

LENGTH: 12 cm × 8 cm (4 3⁄4 in × 3 1⁄4 in)

WEIGHT: 460–470 g (1.01–1.04 lb)

Breeding Season

March and April

Incubation Period

64 days

Diving

DEPTH: 450 to 500 m (1,480 to 1,640 ft)

Fledging Period

Unknown

Gestation Period

Unknown

Weaning Period

Unknown

Sexual Maturity

3 years

Population

595,000

Lifespan

20 – 50 years

Speed

6–9 km/h (3.7–5.6 mph)

Baby Name

Unknown

Home Range

Unknown

Group Size

Unknown

Predators

Southern giant petrels, south polar skua, leopard seal, orca

Behavior

Social, active day and night

Conservation Status

Near Threatened