tree swallows造句

例句与造句

1. The trail has 40 birdhouses to attract tree swallows and bluebirds.
2. Tree swallows and bluebirds can be found in the town.
3. Tree swallows will form roosts numbering in hundreds or thousands of individuals.
4. The field as nest boxes that attract tree swallows and eastern bluebirds.
5. Thousands of tree swallows forage on the refuge in the late summer.
6. It's difficult to find tree swallows in a sentence. 用tree swallows造句挺难的
7. Some of the other species include the tree swallow and several types of warblers.
8. Four tree swallows, spare, sporty birds, work their blue-green wings.
9. The mangrove swallow is very territorial when breeding, much like the related tree swallow.
10. Dead ahead, a compact swarm of tree swallows with iridescent blue chests swoop down to feed on insects.
11. He said that bluebirds naturally face a lot of competition for nesting space from the more aggressive tree swallow.
12. Like the related tree swallow, this species is very aggressive to other hirundines when breeding and is very territorial.
13. Tree swallows are known to " fight " over feathers in mid-air for reasons which are still under investigation.
14. Nesting boxes and berry planting have also brought smaller birds like tree swallows, northern flickers, and salt marsh yellowthroats.
15. For example, molecular ecology revealed promiscuous sexual behaviour and multiple male partners in tree swallows previously thought to be socially monogamous.
16. "They stayed for about a week, but then got chased out by some tree swallows, " he said.
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