whales
An Arctic internet cable picked up bowhead whale calls for the first time
A Cornell bioacoustician turned a working fiber-optic line off Utqiaġvik, Alaska, into a listening array and found bowhead calls in terabytes of data.
Pygmy blue whales sing more at night because they eat by day
Tags and underwater recorders off Western Australia show feeding crowds out daytime song, so the night-to-day ratio could map where the whales are eating.