Soon, millions upon millions of newly hatched lake flies are taking to the wing. 不久 成百上千万只新羽化的幽蚊 全都扇动着翅膀飞到空中
In the rainy season they balloon up to the surface 每到雨季 它们便充气浮上水面
It took over an hour to drown this full-grown bull. 它得花上一个多小时 才能淹死这只成年公角马
Only the adults have the speed and agility needed to make a catch. 只有成年水獭才具备 捕鱼所需的速度和灵巧
Indian rivers are home to the world's most social otter - 印度河里住着世界上最具社会性的水獭
smooth-coated otters form family groups up to 17 strong. 印度水獭的一个家族可多达17名成员
they gradually warm and begin to support more life. 河水渐渐变暖 养育的动物也多了起来