保护小组成员让野生和圈养的美洲豹交配

conservation - n. the protection of animals, plants, and natural resources

pawprint - n. the impression left by a clawed animal's foot

nuzzle - v. to gently push or rub your nose or face against (someone or something) to show affection

encounter - n. a meeting that is not planned or expected

desperate - adj. done with all of your strength or energy and with little hope of succeeding