For Some Bird Species, Personality Beats Looks
Researchers found zebra finches choose their mate based on personality. Not only that, but the pairing can help the survival rate of their offspring.By Bell Johnson | September 15, 2015
Researchers at the Max Planck Institute for Ornithology set out to study why some species mate for looks and others mate for personality.
To do so, they looked at zebra finches, which mate for life and raise their children together. (Video via YouTube / Alice Chodura)