Animals

Why do birds migrate at night?

Do fish feel pain?

Coping with our first real chicken emergency

This invasive 20-pound rodent could devastate California's agriculture industry

Everything you need to know about T. rex but were afraid to ask

These wildlife photos are all about the belly laugh

12 astonishing facts about jellyfish

When chimpanzees leave research labs, they often find a home at Chimp Haven

How to help your cat lose weight

5 startling statistics about rhinos

Nearly 3 billion birds have disappeared from North America since 1970

12 surprising facts about Komodo dragons

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