• 20 hours ago
EarthX Website: https://earthxmedia.com/

Spring has sprung in Canada, which means the spotted salamander will return to its birthplace to breed.

This clip comes from "The Wild Canadian Year" Episode 1: "Spring"

About "The Wild Canadian Year:"
With lightning and tornadoes whipping across the prairie, secret worlds buried beneath the snow, comatose frogs revived by the warm spring sun, and polar bears hunting in the open summer waters, revel in Canada's rare, natural wonders.

Watch "The Wild Canadian Year" Wednesdays on EarthX.

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Transcript
00:00As night falls, the time has come for another ancient spring ritual.
00:14Underground, one of the wood frog's quieter distant cousins is stirring, a spotted salamander.
00:24But unlike wood frogs, salamanders can't survive freezing, so they spend the winter
00:30hidden deep underground to avoid the worst of the cold.
00:39Every year, this female returns to the same pond to breed.
00:49It's the pond where she hatched, which could have been 20 years ago.
01:04Since her visit last spring, her search for food may have taken her a kilometer or more
01:10away.
01:12It's a long journey back when all she has are two-centimeter-long legs.
01:21Finally, home.
01:31Swollen by the spring melt, this ephemeral pond has no predators, and that makes it the
01:37perfect place to lay her eggs.
01:43First, she must find a mate.
01:51These males emerged from their burrows before the females, and they've used the time to
01:58decorate the pond with tiny white packages of sperm.
02:05Now, their one aim in life is to get a female to choose theirs.
02:21The males increase their odds by laying sperm on top of their competitors.
02:27It's an unusual game of one-upmanship.
02:38The tiny towers of sperm get stacked higher and higher as each male tries to be the one
02:45on top.
02:53Finally, the female chooses.
03:03Whichever lucky male had his sperm on top will be the one who fathers the next generation.
03:15Now she can lay her eggs, and next year, her offspring that survive will be drawn back
03:21to the same pond to continue this ancient cycle.

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