laughing parrot

Laughter, as they say, is contagious. While that adage presumably pertains to people, a team of scientists led by Raoul Schwing of Austria’s Messerli Research Institute learned that it is true for some birds as well.

Laughter, as they say, is contagious. While that adage presumably pertains to people, a team of scientists led by Raoul Schwing of Austria’s Messerli Research Institute learned that it is true for some birds as well.