CAPE TOWN, South Africa — For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, hoping conservationists never have to use them.

Video ID: CPM0886 This is the incredible moment an ostrich outran a hunting cheetah in the animal kingdom’s fastest footrace. Jaycee Botha was in South Africa’s Kruger National Park when a big cat set ...

FILE - A cheetah descends from on top of a mound in the savannah of the Maasai Mara, Kenya, July 6, 2015. (AP Photo/Ben Curtis, File) (Ben Curtis, Copyright 2025 The ...