They also point out that the Chinese view of the bat and peach together as a symbol of fertility has ecological significance: The peach tree was first cultivated in China about 5,000 years ago, and the wild tree relied on bats for the dispersal of its seeds; without the bat, the peach tree had no way to spread its "descendants."
該協會更在刊物中指出，中國人每將代表長壽、多子孫的桃子與蝙蝠擺在一起，是有生態意義的。桃樹是五千年前最早為中國人栽種的植物，桃樹依賴蝙蝠傳花授粉，沒有蝙蝠，桃樹也就無法繁衍「子孫」。