Did you know that some iguanas can make themselves smaller?
Lonesome George is the last of his kind.
These plants and animals may be on their way to extinction.
What might happen if you took animals out of their natural habitat and brought them to a new environment where they did not naturally occur?
See how this Galápagos dweller has adapted to survive.
Learn about the adaptations that allow this animal to thrive in the Galápagos.
What steps do these arctic birds take to make themselves at home?
See how all living things are related, including the single ancestor they all share.
Find out why biodiversity is so important to our planet — and what you can do to help protect it.
Discover how all the players in an ecosystem depend on each other to survive.