'She turns her siphon into a gun': Watch coconut octopus shoot rocks at fish in world's first footage
Animals
Science Quiz: Test Your Knowledge of Killer Whales. Will You Sink or Swim?
Killer whales have started wearing dead salmon hats again after a 37-year hiatus.
Killer whale pod develops brutal hunting strategy to take on world's biggest shark – 'It's spectacular behaviour'
Dogs may have become tamed because they liked the snacks so much, the model suggests
Why do cats have “beans” on their toes?
Watch heartbreaking photos of a 'bumpy' giraffe in South Africa with a viral disease that is rare in the tall animals.
Male humpback whale crosses three oceans for sex, inadvertently breaking distance record for species
These endangered whales can live up to 150 years – twice as long as previously thought.
Grieving mother killer whale carries dead baby on her head for second time
Killer whales off Antarctica teach their young how to hunt in incredible new footage
Where do cats get their spots from?
Killer Squirrels Develop Taste for Meat – and Voles Flee
Yellowstone's 'wolf queen' was killed by a rival pack after living 11 years and giving birth to 10 litters of puppies
Degu: Large-sized hamsters whose society is ruled by urine
