Penguins Are Among the World's Slowest-Evolving Birds: Study

How did penguins learn to swim but lose the ability to fly?

Facts on penguins - FLEDGE Lab

Islands Helped Penguins Evolve. Then Hungry Humans Showed Up. - The New York Times

Penguin's flight from Antarctica clocked

Penguins originated in Australia and New Zealand -- not the Antarctic, new study finds

I have studied emperor penguins for 30 years. We may witness their demise in our lifetime, Barbara Wienecke

Penguins Evolving Faster Than Thought

Galapagos Penguin Bird Facts Spheniscus Mendiculus - A-Z Animals

New study sheds light on Adélie penguins' reliance on declining sea ice during molt

Genetic Megaproject Traces the Evolutionary 'Big Bang' for Birds