Tag: aggression

December 11, 2020

Watch: Monarch caterpillars fight for limited milkweed

Exhibiting anger while hungry is a common phenomenon — humans have even come up with the term “hangry” to describe it. In monarch (Danaus plexippus) caterpillars, when they can’t get...

May 10, 2019

Watch: Female serpents sacrifice it all for sea turtle eggs

Taiwanese snakes will risk a lot for fresh turtle eggs. Female Formosa kukri snakes (Oligodon formosanus) feed almost entirely on reptile eggs, but they have a particular taste for sea...

February 11, 2019

Lead linked to aggression in mockingbirds

Mockingbirds (Mimus polyglottos) are known to be a territorial species, but researchers recently found that the presence of lead in the environment can make them even more territorial and aggressive....