您要查找的是不是：
- Many birds feed on worms. 很多鸟以虫子为食。
- Birds feed on worms and grains. 鸟以虫和谷物为食。
- Birds feed on nuts and berries in the winter. 鸟类靠坚果和浆果过冬。
- Other birds feed on developing reproductive structures or seed. 另外一些鸟取食发育中的繁殖器官或种子。
- They eat insects and seeds during migration but feed on worms and fiddler crabs while wintering on marshes and coastal mudflats. 迁徙中常到干燥的高地寻食昆虫和种子;越冬的杓鹬占据沼泽和海滨泥滩，觅食蠕虫和螃蟹。
- These birds feed on insects. 这些鸟是吃小虫长大的。
- With its uniquely shaped bill, the lower mandible is much longer than the upper one, skimmer birds feed on small fish by flying open-mouthed over the surface of estuaries and rivers. 剪嘴鸥有着独特的成形鸟喙，它的下颚比上颚长很多。它们大张着鸟喙低飞过河口或河流的水面，捕捉小鱼为食。
- What does this bird feed on? 这种鸟是吃什么的?
- Many birds eat worms. 很多鸟类都以虫子为食。
- Many sharks feed on fish and other sea animals. 很多鲨鱼以鱼和其他海洋动物为食。
- Silkworms feed on the leaves of mulberry. 蚕吃桑叶。
- Many birds flitted through the trees. 许多鸟儿在树林里飞过。
- Bats fly at night and feed on insects. 蝙蝠在夜间飞行，以昆虫为食。
- There are many birds crisscrossing in the sky. 许多鸟儿在天空中来往飞翔。
- Many birds migrate southward every winter. 许多鸟类每年冬季都移栖南方。
- He's a bad shot and won't bring down many birds. 他不是一个高明的射手，打不下多少鸟。
- Feeds on worms, small insects, crustaceans and plant matter. 吃蠕虫，小的昆虫，甲壳动物与植物。
- Many birds migrate south every winter. 每年冬天许多鸟向南移栖。
- In flat open country there is plenty of grass for the cattle to feed on. 在开阔平坦的地区有大量的青草供牛群食用。
- How many birds can you see, Stanley? 你看见几只鸟，斯坦利。
