1.
Influence of potential cavity resources on secondary cavity-nesters and breeding bird community composition
潜在洞巢资源差异对次级洞巢鸟及繁殖鸟类群落的影响
2.
The eggs lie hidden in hollow trees, clumps of grass, and in many kinds of nests.
这些鸟卵藏在树洞里、草丛里、各种各样的鸟巢里。
3.
Building their nests in trees helps protect the bluebirds' young.
把鸟巢建在树洞里可以保护它们的幼鸟。
4.
And instead of building a nest up in a tree, the kiwi burrows under the ground.
几维（鸟）不在树上筑巢之外，而牠却在地上挖洞穴。
5.
If the hole is too large, bigger birds can get inside the house.
如果门洞开得太大，其他大鸟就能进入巢里，
6.
chiefly short-legged arboreal nonpasserine birds that nest in holes.
主要是非雀形目中短腿树栖的鸟，它们在洞里筑巢。
7.
Destroy the nest and the birds will fly away .
捣毁鸟巢，鸟儿飞掉。
8.
hunting for birds' nests to get the eggs.
为了得到鸟卵而找鸟巢。
9.
I am a long-eared owl. My mother laid eggs in an old nest in a hole in a tree. She sat on the eggs until we hatched.
我是个长耳猫头鹰，我妈妈在树洞一个老的鸟巢中生蛋，她一直坐到蛋孵出我们为止。
10.
Baby cuckoos oust other baby birds from their nests.
布谷鸟的雏鸟把其他鸟的雏鸟逐出巢外。
11.
The bird flew from its nesting place to find food.
小鸟离开其巢去觅食。
12.
birds nesting in the tree-tops
在树梢上筑巢的鸟儿.
13.
mostly black African weaverbird.
多是黑色的非洲织巢鸟。
14.
Look! There is a roost in this tree.
看!这棵树上有个鸟巢。
15.
They use bird nests,
它们用其它的鸟巢，
16.
The bird shaped its nest from mud and sticks.
小鸟用泥土和树枝筑巢
17.
The bird does not build the nest in when autumn.
鸟在秋天时不筑巢。
18.
Nesting in the poplar of pearls It spies and questions green Birds twain:
侧见双翠鸟, 巢在三珠树。