Crows are arguably among the smartest creatures on the planet, possessing some cognitive abilities that rival those of 5- to 7-year-old human children. Now, a new study adds basic geometry to the list ...

Take a look at the smartest bird species that get bragging rights for their brainy behavior. Some birds, especially woodpeckers and jays, hoard nuts for later feeding. The collecting and caching ...

Birds are far more intelligent than many people realise. Some brainy bird species have exceptional cognitive abilities that rival those of primates—and even young children. Magpies are one of ...