[00:00.570]Badly weakened, he's chaperoned towards the harbour entrance.
[00:04.970]But he's not out of trouble yet.
[00:08.310]First, he must negotiate the rocky heads of the bay.
[00:13.530]His sensitive skin, never designed to touch rock, is badly lacerated.
[00:20.160]He's through, and back into the safety of the endless blue.
[00:26.830]The sperm whales' story
[00:28.240]sums up the difficulties of surviving in this world of extremes.
[00:33.460]They succeed, thanks to their great stamina and extraordinary design.
[00:39.280]But at times, even the whales struggle to
[00:41.000]cope with the challenges of this vast ocean.