Reference:
1. Berns, G. (2013). How Dogs Love Us: A Neuroscientist and His Adopted Dog Decode the Canine Brain (1st ed.). New Harvest.2.LANGLEY, L. I. Z. (2019, June 17). 為什麼貓咪這麼討厭被摸肚子?答案在這!. 國家地理雜誌中文網. https://www.natgeomedia.com/science/article/content-8422.html3.Sadie Dingfelder. Science finally tells us how cats want to be petted. The Washington Post. June 30, 2015.
撰文:inscie
動畫:怪奇
編輯:鄒仲安