Colonies of sea mammals are getting smaller. 海洋哺乳动物栖息地正在变小
But this time find a smaller cell... 这次找个房间更小
the Planet Earth team are searching for one of its smaller, 「行星地球」摄制组正在寻找海洋中一种体型较小
While smaller lizards prey on the flies that pester the colony. 小型蜥蜴还捕食纠缠海鬣蜥的苍蝇
The much smaller ring-tails wander in troops across the forest floor 体型小许多的环尾狐猴 成群结队地扫荡森林地面
They break up the shoals into smaller, more manageable balls, and all the hunters benefit. 它们将鱼群分成许多小群, 让猎人们更加易于处理.
These elephants live in much smaller groups than their savanna cousins. 森林象群的个体数量 比起它的稀树草原的亲戚们要少的多
but to reach him she must run the gauntlet of a gang of smaller suitors. 雌蛙要赶过去的话 她必须面对一帮较小的追求者的猛烈攻击