Let bats be low-cost in­sect ex­ter­mi­na­tors

World of Animals - - Garden Secrets -

Though creepy crawlies may be re­pul­sive to some, many bats eat lit­tle else and keep the in­sect population un­der con­trol

Com­mon pip­istrelles emerge around 20 min­utes af­ter sun­set. The most wide­spread bat in Europe hunts winged in­sects like flies and mos­qui­toes us­ing echolo­ca­tion. Their high-pitched chirps fall just within the hu­man hear­ing range, and many gar­de­nown­ers

are un­aware of the bats’ pres­ence. You may choose to erect a bat box, but it isn’t nec­es­sary to house bats in your back yard. Pip­istrelles roost in small groups in trees and small hol­lows, so it’s likely you al­ready have a fully fur­nished bat cave.

“Pip­istrelles’ high-pitched chirps fall just within the hu­man hear­ing range”

Com­mon pip­istrelles have a wing­span of 20cm (7.9in) and weigh 3–8g (0.1–0.3oz)

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