What steps do these arctic birds take to make themselves at home?

Observing these birds helped the scientist formulate the theory of evolution.

Watch and learn: These are the smallest penguins to live in a warm habitat.

Look and learn: These pink creatures have a unique way to filter for food.

Watch and learn: The male bird uses his large and colorful throat bag to attract a mate.

Look and learn: Where did this bird get its funny name?

Watch and learn: These birds are present on most of the Galápagos Islands.

Look and learn: Meet one of the 13 species of Finch on the Galápagos Islands.

Watch and learn: This is the biggest of the Galápagos birds with a wingspan of over seven feet.

Look and learn: These tiny birds are smaller than six inches long.