A doctoral student at the University of Maryland has discovered what had previously eluded the experts ​ — pressure receptors on the snouts of alligators, which enable them to detect the movement of prey in the water.
اكتشفت طالبة تعدّ رسالة الدكتوراه في جامعة ماريلَنْد ما سها عنه الخبراء في السابق .‏