Numerous events and policy decisions across the world in the last several months are causing despair among many ...

豹海豹吹气泡，这通常是一种攻击性表现（图源：awesomeocean.com）众所周知，在南极没有北极熊。那么在南极的生态圈中，豹海豹就充当了北极熊的角色，成为众多企鹅的噩梦。豹海豹（Hydrurga ...

We aren't able to respond to your individual comments or questions.