First, she describes aerial hawking in which bats hunt prey and consume it while in flight. This way is usually used by smaller bats. Each time bats try this hunting, only small preys is are captured so bats need to keep hunting until they get enough food. Also aerial hawkers depend on echolocation to discern the location of the prey.
Second, she describes perch hunting in which bats hang upside down from the perch and wait around for prey to come near them. Larger bats often make use of this method. And There is no need for them to hunt often because the prey that is taken is large enough. As bats wait until a prey comes close to them, they only utilize the sense of smell and eyesight to detect.
These examples demonstrate two ways that bats use to hunt for food.
Comments: 요약을 굉장히 잘 해주셨습니다. 수정이 필요한 부분은 거의 없는 것 같습니다.
Each time bats try this hunting, only small prey is captured .. 이 부분만 조금 더 잘 정리해주시면 좋을 것 같아요.
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This hunting method only allows them to capture small sized preys ..