Vous avez cherché: otters (Anglais - Chinois (simplifié))

otters
水獭

otters make offerings of fish
獭祭鱼

other examples of food-chain effects include the fact that kelp forests are sustained by the feeding of sea otters on sea urchins.
食物链效率的其他事例包括海草林是依靠海獭觅食海胆而维持的。

the network makes it possible for rare animals, such as otters, beavers and wolves, to repopulate areas from which they have been absent for centuries.
该网络使水獭、河狸、狼等稀有动物有机会重新生活在它们曾消失几个世纪的地区。

animals with the highest mercury levels include otters, minks, raptors, ospreys, and eagles, which are top predators in the aquatic food chain.
体内汞浓度最高的动物包括作为水生食物链顶层食肉动物的水獭、鼬、猛禽、鳄和鹰。

to determine the toxicity to mammals, the otter was used as a key species.
为确定对哺乳动物的毒性，将水獭作为了主要物种。