Happy, the Asian elephant whose groundbreaking participation in a mirror-recognition study transformed scientific ...
An Asian elephant named Happy touched a visible mark on her own head after seeing it in a mirror, passing a test that fewer ...
Happy, the elephant that gave researchers new information on how they behave, has been euthanized at the age of 55.
Zoo officials said she spent her final weeks in an off-exhibit barn and yard within her enclosure by her own choice.
Add Yahoo as a preferred source to see more of our stories on Google. Happy, an Asian elephant, at the Wildlife Conservation's Bronx Zoo. The Bronx Zoo is mourning the loss of Happy, a female Asian ...
The mirror test has fascinated scientists for decades due to its simplicity and revealing nature. First introduced in 1970 by psychologist Gordon Gallup Jr., the experiment places a visible mark on an ...