15 julio 2015
A new study on animal behavior theorizes cats scratch more due to pheromones left behind from previous cat scratching.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/E4g8W1D1KPM» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/E4g8W1D1KPM/150715113657.htm
