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Identify Grasshopper Calls

Discover how to use a bat detector to record the presence of the following grasshopper species in Cornwall and the Isles of Scilly.

  • Common green grasshopper

This species is loud enough to hear without a bat detector. The call is a persistent stridulation lasting about 15 to 20 seconds.

To listen to the typical call of a common green grasshopper, click on the Play arrow.

A common green grasshopper call is shown below. The divisions represent two second intervals.

Common green grasshopper typical call

  • Field grasshopper

This species is difficult to detect by ultrasound using a bat detector. Therefore it can be easier to detect this species by ear. The call is described as a brief "zip" repeated approximately every second.

To listen to the typical call of a field grasshopper, click on the Play arrow.

A field grasshopper call is shown below. The divisions represent two second intervals.

Field grasshopper typical call

  • Meadow grasshopper

Using a bat detector for this species is useful as it doubles the detection distance. A typical call is an intermittent series of "chuckles" which are repeated every one to two seconds.

To listen to the typical call of a meadow grasshopper, click on the Play arrow.

A meadow grasshopper call is shown below. The divisions represent two second intervals.

Meadow grasshopper typical call

An individual with a lower body temperature may be stridulating at half the speed of a typical call. This call can be confused with a bush-cricket.

To listen to the slower call of a meadow grasshopper, click on the Play arrow.

A slower meadow grasshopper call is shown below. The divisions represent two second intervals.

Meadow grasshopper call with lower body temperature

  • Mottled grasshopper

This species can be heard without a detector, however, a detector will increase the range it can be heard. The call is described as a series of a short "buzzes" in groups of 15 to 20, which rise in volume before stopping.

To listen to the typical call of a mottled grasshopper, click on the Play arrow.

A mottled grasshopper call is shown below. The divisions represent two second intervals.

Mottled grasshopper typical call

Bush-Cricket CallsDiscover how to use a bat detector to record the presence of the following bush-cricket species in Cornwall and the Isles of Scilly.