1. On Guernsey, the cattle were interbred with local breeds.

2. Then 700,000 years ago, Neanderthal-Denisovan ancestors migrated into Eurasia and quickly interbred with the descendants of the super-Archaics.

3. The fossils were reappraised as representing an archaic form of Homo sapiens or perhaps a population of Homo sapiens that had interbred with Neanderthals.

4. A new study documented the earliest known interbreeding event between ancient human populations -- a group known as the 'super-Archaics' in Eurasia interbred with a …

5. Feral cats have interbred with wildcats to various extents throughout the world, the first reported case occurring more than 200 years ago.