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 ...

A winter roost of crows numbering about 30,000 frequented Bethlehem in the early 2000s, and a city official used to call each year asking how to disperse the birds, Peter Saenger, the society’s ...