Taking care of live and kicking animals is always tricky, unlike plants, whose seeds can be frozen for about ten years without changing.
活蹦亂跳的動物照顧起來，總是有著許多驚險鏡頭。而且動物只能一代傳一代，不但照顧不易、管理費用高，又有一定壽命，不若植物保護方便，只要冷凍一顆種子，便可保存十年左右不變。