00:03This intertidal zone is the canary in the mine of climate change.
00:10A three-degree change offers residents here three options.
00:15Leave town, adapt, or simply give up.
00:21Low tide reveals those who cannot move with the water.
00:27The creatures who pick up the challenge of direct sun.
00:44That puts this cannibalistic slug and its neighbors on the edge of survival.
00:52It's 43 degrees on this low tide sandbank.
00:57At this point, starfish are at the outer limit of their heat budget.
01:04Solution.
01:06They dig their own swimming pools.
01:17Relief is short-lived.
01:21On hot days, the pools don't last.
01:27Heat is deadly to those full of water.
01:34But for some ingenious starfish, it's the solution too.
01:40They pump cool water into their bodies at high tide.
01:44A buffer for when they face the heat.
01:49Giving it just enough time to get back into the receding lagoon.
02:00To be continued...
02:02To be continued...
02:02You
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