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Wildlife Instincts – Episode 7: Australia’s Curious Port Jackson Sharks | Wildlife Documentary

Watch ‘Wildlife Instincts – Episode 8’ here: https://youtu.be/BWzDL0Wp2Mk

Every year Port Jackson sharks travel en masse to a secluded bay in Australia. The extraordinary sharks have one mission; find a mate and give birth to the next generation.
Port Jackson sharks lay eggs rather than giving birth to live young. Their extraordinary eggs are spiralled in shape and uniquely adapted to their environment.
Many of the spiralled eggs are found littered on the bay’s floor. Remarkably Port Jackson sharks are responsible for many of the ruined eggs.
It is a brutal behaviour but the sharks expend a lot of energy during the mating season and eggs provide a nutrient rich meal.
The next generation of Port Jackson sharks hatch into their aquatic world alone, and must learn fast in order to survive.


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