If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit: Behavioral biology

How do songbirds learn to sing? Why do ants follow invisible lines to sources of food? What are dogs trying to accomplish when they mark their territory? Learn about these and many other fascinating, diverse, and sometimes bizarre examples of animal behavior.

About this unit

What do a dog begging for food, and ant leaving a chemical trail to food, and a human baby learning language all have in common? These are all examples of behaviors. Behavior is a crucial way that animals interact with each other and with their environment. Learn more about types of animal behaviors and how behavior is shaped by genes and environment.