It's winter, so this week Alex is talking about animals that are known for living in one of the coldest ecosystems on Earth. Grab a warm jacket because we're heading to Antarctica to learn about our feathery friends: penguins.

For sources and more information, please visit our website.

Sign up for our email list on our website for the chance to win a free On Wildlife t-shirt!

Support the show (https://www.buymeacoffee.com/onwildlife)