余仁生 鸡精 for Dummies
This is often thought that will help reduce floor predators from detecting nests.[92] Youthful birds of prey even so generally void their excreta outside of the rims in their nests.[93] Blowflies on the genus Protocalliphora have specialised to be obligate nest parasites While using the maggots feeding within the blood of nestlings.[ninety four]inv