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An aerial inspection of trees is a much more thorough technique than ground observation and will either save you the expense of unnecessary bat activity surveys, or quickly confirm suitability and presence, helping you to better plan your project.

Aerial tree inspections

Bats often use cracks and holes in trees to roost. many bat surveyors will only inspect trees from ground level using binoculars. In some cases this is adequate. Often holes which may look suitable for use by bats when viewed from the ground are not deep enough to be used.

Climbing the trees to get a closer view of any potentially suitable roosting features can enable the surveyor to discount features which may have seemed suitable from the ground, or to confirm the presence of bat droppings or feeding remains. Aerial inspections can also confirm or discount the use of trees by nesting birds, or use by protected species such as barn owls.

Bat boxes and bird boxes which have been fitted as compensation measures can also be checked for use as part of monitoring programs.

For further information or advice please contact us

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