Antarctic wildlife - comparative sizes amongst species

Antarctic penguins

Approximate sizes and weights of emperor and Adelie penguins
Kind of penguin Length Approximate Weight
emperor about 115 cm tall from 23 to 40 kilograms
Adelie about 70 cm tall about 4.5 kilograms

Subantarctic and Antarctic seals

Approximate sizes and weights of subantarctic and Antarctic seals
Kind of seal Sex Length (metres) Weight range (kilograms)
Weddell female 2.9 400 - 450
Weddell male 2.8 400 - 450
Ross female ~2.0 ~175~190
Ross male ~2.0 ~175~190
Crabeater female 2.3 200 - 300
Crabeater male 2.2 200 - 300
Fur female ~1.5-2.0 150 - 170
Fur male ~1.5-2.0 150 - 170
Leopard female ~3.5 300 - 400
Leopard male 3 300 - 400
Elephant female 2.5 300 - 500
Elephant male 5 3000 - 4000

Southern ocean whales

Approximate sizes and weights of whales found in the southern hemisphere, and the best estimates of their original and present abundance (Source: Congressional Records Service of the Library of Congress, 1997. Estimates from the April 1994 issue of Audobon)
Kind of whale Length (metres) Approximate weight (tonnes) Original population estimate Latest population estimate
Blue 23 to 27 up to 200 228,000 11,700
Humpback 11 to 16 about 40 115,000 10,000
Orca (Killer) 8 to 10 up to 9 53,000 (southern hemisphere)
Minke about 9 about 10 490,000 880,000
Sei about 16 about 25 256,000 54,000
Sperm females: up to 12; males: up to 19 females: about 14; males: about 40 2,400,000 1,950,000
Southern right 13 to 18 up to 74 100,000 3,200
This page was last modified on January 23, 2014.