US researchers led by Dr Vladimir Dinets from the University of Tennessee have found that two croc species – mugger crocodiles (Crocodylus palustris) and American alligators (Alligator mississippiensis) – use twigs and sticks to lure birds, particularly during nest-building time. A mugger crocodile balances twigs on its nose to tempt birds collecting small branches to build nests with, at Madras Crocodile Bank, Tamil Nadu in India. Image credit:...
