loans and that's just one example the pack animals are key to calling have evolved populations once helsa keep the ecosystem balanced but there is a problem for the show while they're under threat believe it or not wild dogs used to be a common sight on african savannah in the mid twentieth century they were around hoff a million of them but their range has grown more and more limited and their numbers have been decimated and this week's show we had to southeastern zimbabwe to visit conservationists working to give these unique animals a future. as the day cools down life in the bush in southeast zimbabwe begins to reawaken. in the african wild dogs spent the hottest part of the day sleeping in the shade. now in the late afternoon the pack comes together ready to go out hunting. it's the perfect time for jessica water maya to check up on them she heads a conservation project for wild dogs in the solve a valley conservancy. it's a protected area covering three thousand square kilometers. they are incredibly social pack animals so just the way that they interact with each other the way they