December 2009
1 post
1 tag
formspring.me
THOSE FAMILIAR WITH the cognitive skills of African gray parrot Alex will never again use birdbrain as an insult. With help from researcher Irene Pepperberg, Alex learned to communicate, fueling debate over other species’ ability to learn human language. He knew 100 words and could count, express frustration and differentiate among some colors, shapes and textures. His last words...