Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Driven by the lure of illegal gains, poachers swarmed Hoh Xil and turned their guns on the animals. Determined to protect the ...

* Thanks to their joint protection efforts, no poaching gunfire has been heard in Hoh Xil since 2009, and the population of ...

由于 鸟类的可用卵巢一般都在左边 ，而这只鸟的左边是雌性，因此它可能能够生育，左边能当妈，右边能当爹。但是，它也可能很难找到另一半， 雌雄同体意味着大脑和性激素都会受影响，而在求偶季，鸟儿需要在适当的激素变化下做出适当的行为，才能顺利完成繁殖 ...