Brown long-eared bat we rescued yesterday | Stewart Rowden

The brown long-eared bat is also known as a whispering bat because it echolocates very quietly as it hunts down small moths, beetles, flies, earwigs and spiders. You can only hear its calls via a bat detector. To find out more about bat detectors see: https://www.bats.org.uk/about-bats/bat-detectors-1 | Bat Conservation Trust

This brown long-eared bat (Plecotus auritus) colony is occupying a hole made by grey squirrels (Sciurus carolinensis) that is also used by Natterer's bats (Myotis nattereri) and blue tits (Cyanistes caeruleus) | Bat Tree Habitat Key

I'm so sad that my old suit is all I had laying around 😔 #hamilton #wlw

Bird's Nest Guide. Nidology. Slavonian grebe (Podiceps auritus) floating nest in reed beds of southern eutrophic lake with abundance of common reed (Phragmites australis) among gull colony

28 brown long-eared bats emerging from a squirrel-hole. The film is edited to show the bats emerging in quick sequence, but the actual emergence took 44 minutes with gaps of up to seven minutes between individual bats. The reason you can't hear the bats is that they didn't echolocate as they left; I had an Anabat Walkabout within 2 m of the entrance and it didn't record a single call... So, the message here is that without the camera, the emergence would have been entirely undetected. | Bat Tree

Gone in the Night: Conservation Efforts of the Northern Long-Eared Bat - Urban Ecology Research Learning Alliance (U.S. National Park Service)