Dr. Oliver Lindecke on Twitter: "Species Quiz for my European #Bat worker fellows. A hint: The animal was just caught on migration by our team in #Latvia. https://t.co/K9qcxCjJMd" / Twitter
![European bat population increases after years of decline - largest ever study of 16 species finds - Mirror Online European bat population increases after years of decline - largest ever study of 16 species finds - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article3096498.ece/ALTERNATES/s615/A-greater-mouse-eared-bat.jpg)
European bat population increases after years of decline - largest ever study of 16 species finds - Mirror Online
![Bat Calls of Britain and Europe: A Guide to Species Identification | NHBS Field Guides & Natural History Bat Calls of Britain and Europe: A Guide to Species Identification | NHBS Field Guides & Natural History](https://mediacdn.nhbs.com/jackets/jackets_resizer_xlarge/25/252477.jpg)
Bat Calls of Britain and Europe: A Guide to Species Identification | NHBS Field Guides & Natural History
![Acoustic Ecology of European Bats: Species Identification, Study of their Habitats and Foraging Behaviour | BTO - British Trust for Ornithology Acoustic Ecology of European Bats: Species Identification, Study of their Habitats and Foraging Behaviour | BTO - British Trust for Ornithology](https://www.bto.org/sites/default/files/book-reviews/acoustic-ecology-of-european-bats_2-2.jpg)