Brazilian and U.S. researchers conduct an artificial insemination procedure on a jaguar at the Mata Ciliar Association conservation center, in Jundiai, Brazil, Thursday, Oct. 28, 2021. According to the environmental organization, the fertility program intends to develop a reproduction system to be tested on captive jaguars and later bring it to wild felines whose habitats are increasingly under threat from fires and deforestation. (AP Photo/Andre Penner)