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