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Alex the gray parrot helped change how the world thought of animal intelligence
The post Alex The Gray Parrot Helped Change How The World Thought Of Animal Intelligence first on TwistedSifter. Today, you ...
Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...
WALTHAM, Mass. -- Alex, a parrot that could count to six, identify colors and even express frustration with repetitive scientific trials, has died after 30 years of helping researchers better ...
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