Other incidents include fences being cut and the suspicious death of an endangered vulture in the past few weeks.
Adorable animal thieves will steal your heart
Authorities searched for at least three of the monkeys that appeared to have escaped the vehicle in Pennsylvania.
More than 30 animals — including apes, monkeys, bats and birds — were killed in the blaze at the Krefeld zoo.
An obese monkey who packed on weight after being fed junk food by tourists has been put on a strict diet