Plus: Canadian scientist witnesses sperm whale birth, wildlife get that shrinking feeling, migratory birds fly ever higher, and teeth tell time (sort of)

Plus: Death metal singing bats, the lion of the microbial world, the dino heavyweights going club-to-club, and the accidentally introduced bee threatening native species. 

Plus: new K-pod whale is confirmed as female, black lynx identified for first time, goats winning the battle against sheep and the secrets of turtle hibernation are revealed

From contributing to the production of chocolate to regulating mosquito populations, bats are important animals that play a significant role in the world’s ecosystems