birds with human faces
MSN: The smartest birds hold the longest grudges! Crows can remember human faces for 17 years The smartest birds hold the longest grudges! Crows can remember human faces for 17 years Forbes: A Biologist Explains How Crows Can Recognize Human Faces — Well Enough To Hold Long-Term Grudges A Biologist Explains How Crows Can Recognize Human Faces — Well Enough To Hold Long-Term Grudges
Birds and Faces | Indigo Arts
