Kritiek rijk Noordoosten emperor penguin mate for life Karakteriseren Woud haakje
Of Animal Love: Penguin Love: Together Forever!
Emperor penguin breeding cycle – Australian Antarctic Program
Do Penguins Mate for Life? Not According to These Paternity Tests - The New York Times
Discovery on Twitter: "Some penguins mate for life. Others, like Emperor Penguins, pair for only a single breeding season. #WaddleAllTheWay http://t.co/BPApfUUDvX" / Twitter
Emperor penguin
Penguin - Reproduction, locomotion & food habits | Britannica
Why Do Penguins Cheat On Their Partners? » Science ABC
The World on Twitter: "Penguins only have one mate their entire life and “propose” by giving their mate a pebble. http://t.co/xiUnrqywNk" / Twitter
Documenting emperor penguins in Antarctica - BBC News