動物の性別は奇妙です。あなたはコアラの2つのペニスを持って知っていましたか?
You and me baby aint nothing but mammals! Animal sex is strange. Did you know koalas have TWO penises? What about snails have sperm darts that they shoot at a potential mate to impregnate her? Weird huh? We have listed the most interesting animal sex facts we could find! Have fun learning, Team FactPacker!