Cats and Bear Dogs

Meet the Bear Dog. Bear dogs , extinct by about 9 million years, have the body...  ...imals did something that even modern domesticated dogs don't do (usually) - they got along with cats . Led by the University of Michigan and the...  ...the tooth enamel of tw...

http://www.neatorama.com/2012/11/09/Dogs-And-Cats-Can-Coexist/