However some of the Homo sapiens and Neanderthals interbred. There is a hypothesis that anatomically modern humans interbred with Neanderthals during the Middle Paleolithic. There is evidence that Denisovans interbred with Neanderthals in Central Asia where their habitats overlapped. Feral cats are known to hunt endangered birds and have interbred with wild cat populations. This suggests that the two populations interbred and produced fertile offspring. Many surviving populations are thought to have interbred with feral or domestic water buffaloes. It has interbred with this very species and produced viable offspring. According to zoologist Reginald Pocock, a dhole interbred with a golden jackal. Importantly, recent findings suggest that Neandertals and modern humans may have interbred. Eventually, the natives and the Spaniards interbred, forming a mestizo class. Eventually, the natives and the Spaniards interbred, forming a Mestizo class. This was done because it was thought that the giraffe subspecies interbred in the wild. The breed is little interbred with non-European breeds and close to original European forest swine. It is unknown if the Poltalloch Terriers and Pittenweem Terriers were interbred. They readily interbred and produced a 12,000 strong herd by 1934.