If you hear two people laugh, chances are you’re going to smile or laugh yourself because laughter is contagious — and not just for humans. Some birds get giggle fits, too. To test the parrots’ taste ...

Add Yahoo as a preferred source to see more of our stories on Google. Some pets are born with so much personality, it's like there's a human trapped inside them. This is especially true with vocal ...

For the first time in birds, researchers say they have found evidence that a New Zealand parrot has the avian equivalent of an infectious laugh. They call it "positive emotional contagion" — which ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

NEW ZEALAND (KGO) -- Researchers call Parrots' laughter infectious. Scientists believe Kea Parrots in New Zealand have a play call, and they may be the first non-mammals to have their laugh recorded.

Bonobos make a throaty chuckle when tickled or playing. Rats emit an ultrasonic chirping sound when tickled. Australian magpies talk to each other and laugh when playing. Gorillas can use sign ...