13) Sweden is home of jumping competitions for rabbits that are known as KaninHoppning.
14) When a pig experiences an orgasm, it lasts about half an hour.
15) Similar to how we give each other names, dolphins also know each other’s names.
16) Puffins also have life-long partners where they built a home for themselves.
17) Science has found that cows are able to produce more milk when listening to calm music, like Lou Reed and R.E.M.
18) Depending on their selected mate, an oyster can change his or her gender.