Plus: The silver-haired bat that sings, the whale that lives in human-like clans, the industry that could breathe life into the Gulf of St. Lawrence, and the new regulations that aim to protect Canada’s most valuable fish

Plus: orca don’t love metal music, orangutans get new home at Toronto Zoo, Dominica protects ‘carbon heroes’ of the sea, and crickets boost acoustic efficiency in surprising ways

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

Your weekly CanGeo round-up of wildlife news