Doma (male) and Kariba (female) greeting. Source: Vesta Eleuteri, used with permission. Like other species that live in multi-level societies, African savannah elephants regularly separate and reunite ...
When humans meet up with a companion they haven’t seen for a while, they may wave, shake hands or hug while saying something like, “Hey, how are you?” Now, new research suggests African savannah ...
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