Prof. Gareth Jones leads a highly respected bat research group and has recently supervised a trial undertaken by Angus Tillotson to assess the value of thermal imaging technology for the study of bats.

The thermographic camera VarioCAM®-series was used to study roosting bats, to count bats as they emerged from roosts and to observe the behaviour of flying bats. In all three cases thermal imaging offered significant benefits over conventional survey techniques. Roosting bats could be detected through thin building materials such as roofing felt.

At low light levels the thermographic camera enabled bats emerging from roosts to be counted more accurately than by using conventional survey techniques.

In a project to study the effects of artificial lighting on the behaviour of bats as they travel between roost sites and foraging areas, the thermographic camera enabled the flying bats to be seen more clearly than when using conventional (NIR) IR video photography.

When imaging Daubenton’s bats foraging over water, reflections of the body heat from the water surface enabled researchers to calculate the flying height of the bat.

Infrared thermography does not require external light sources that may influence natural behaviour and is not affected by extraneous lighting from streetlights etc., making it well suited for the study of bats in urban or roadside locations.

Infrared camera VarioCAM® High Definition from InfraTec
Further information about VarioCAM® series

InfraTec Solution

University of Bristol – School of Biological Sciences
Prof. Dr. Gareth Jones, Angus Tillotson, Msc

InfraTec solution: VarioCAM®-series

Study of bats; nesting

Thermal anomaly of bat roosting between tiles and underfelt

Study of bats

Bat flying over water with reflection

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