It's after 8 p.m. on a rainy summer evening in 2024 and most of the diurnal animals at the Milwaukee County Zoo have tucked in for the night. But the zoo is far from quiet. Visitors still walk the zoo ...

Add Yahoo as a preferred source to see more of our stories on Google. Just by being around, humans can change how wild animals behave in ways that could put them at risk, according to a new study ...