‘They have schedules to follow’: how fast ferries can threaten endangered whales in the Mediterranean

A Guardian investigation has found that despite a recommendation to slow down, leading shipping companies continue to travel above advised speeds in a key habitat for cetaceans Marine biologist Alice Barbarioli waits with her camera trained on the horizon.

A few minutes earlier, the hydrophone beneath the Pelagos research vessel detected codas – the sequence of clicks sperm whales use to communicate. The sperm whale reveals its head and dorsal fin as those onboard the vessel in the Pelagos sanctuary, a conservation area established to protect marine mammals in the…