Defenders of the Wild

Ivan Carter and his team work to translocate 100 elephants from overpopulated areas facing degradation. The goal of the ambitious project? To repopulate some of Africa's most depleted national parks.

Dr. Dave Gaynor introduces lions and cheetahs into the Zambeze Delta to look at the role apex predators play in the ecosystem, and how prey adapts in terms of behavior and numbers.

Ivan Carter heads to the United States to investigate how hunters' dollars fund sheep conservation across the country. Follow along through a hands-on translocation that will re-establish a historic home range for the species.

After poaching devastated native populations in the Zambezi Delta, wildlife is returning–thanks to upliftment initiatives, community meat drops and anti-poaching. Mark Haldane shares what it takes to restore an ecosystem.

Once upon a time, there were millions of bison; now, there are less than 1,000. Ivan dives into the history of bison populations in the U.S., as well as the current state of their protection, and gets involved in collaring efforts in the Henry Mountains.

The giraffe is an African icon facing a silent extinction. Ivan travels to Niger, West Africa, where the Giraffe Conservation Foundation is taking action across the continent to reverse this trend.