Marine Mammals
How female dolphins know which males to avoid
New tech is saving gray whales in San Francisco Bay
These unearthly whale songs helped save humpbacks from extinction
Watch orcas hunt a pygmy sperm whale
The 30-foot sea cow hunted to extinction because of its tasty meat
Have orcas been sinking ships for millennia?
Is Ichthyotitan the largest marine reptile yet known?
These dolphins have orca friends—but may have an ulterior motive
When humpbacks get stuck, their friends stick around to help
We could still save the world’s 'sweetest' dolphin
These sea lions aren't 'demonic'—they've been poisoned
7 of the world's most incredible scuba diving experiences
We still haven't figured out these orca mysteries
Why manatees often lurk close to Florida's power plants
How humpback whales use bubbles as a tool
load more
Legal
Terms of Use
Privacy Policy
Your US State Privacy Rights
Children's Online Privacy Policy
Interest-Based Ads
About Nielsen Measurement
Do Not Sell or Share My Personal Information
Our Sites
Nat Geo Home
Attend a Live Event
Book a Trip
Buy Maps
Inspire Your Kids
Shop Nat Geo
Visit the D.C. Museum
Watch TV
Learn About Our Impact
Support Our Mission
Masthead
Press Room
Advertise With Us
Join Us
Subscribe
Customer Service
Renew Subscription
Manage Your Subscription
Work at Nat Geo
Sign Up for Our Newsletters
Contribute to Protect the Planet
Follow us
National Geographic Instagram
National Geographic Facebook
National Geographic Twitter
National Geographic Youtube
National Geographic Linkedin
National Geographic Tiktok
National Geographic Reddit
United States (Change)
© 1996–2015 National Geographic Society
© 2015–2026 National Geographic Partners, LLC