Another new study published in Nature Communications shows follows along with the prior post and shows that ancestral dogs were ambush hunters that evolved from forest dwelling animals similar to a mongoose (or a cat).
Figueirido B, Martin-Serra A, Tseng ZJ, Janis CM. Habitat changes and changing predatory habits in North American fossil canids. Nature Communications. 6: 7976, 2015. doi:10.1038/ncomms8976
Mr.Dolittle You are right Climate change have driven dog evolution in a study printed in Nature Communications, researchers report that supported the analysis of wolf and dog remains geological dating back to forty million years past, it's possible that the animals developed their distinctive approach to looking in response to changes in their habitat.Find environment products here http://environment.exportersindia.com/
The pursuit-pounce predator approach certainly applies to our German shepherd and her play as opposed to our Golden Retriever and his play (always involving a ball of some kind.)