The Dark Side of Dolphins: 8 Surprising Facts

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00:00The Dark Side of Dolphins, 8 Surprising Facts

00:03Sharks appear evil, dolphins friendly in pop culture, yet dolphins have a dark side.

00:11Marine experts challenge this view, revealing dolphins aren't the innocent creatures people assume.

00:19Some dolphins use pufferfish toxin? Recreationally.

00:24Small doses act as narcotics, causing dolphins to float near the surface, high.

00:30Dolphins live in a political society where males form alliances to mate, herding females in social-sexual behavior.

00:41Females choose mates, rejecting others, while males protect them from predators.

00:49Scientists observed four necrocoitus cases in Sarasota Bay, with male bottlenose dolphins and dead females.

00:56Males were unrelated, and causes like pheromones or mistaken identity remain a mystery.

01:06Dolphins use unihemispheric sleep, staying awake for 15 days.

01:10This helps them surface for air and avoid drowning.

01:13Newborns stay awake for weeks.

01:14Dolphins, as apex predators, eat 2% to 10% of their body weight daily, consuming fish, octopuses, and more.

01:26They employ smart hunting strategies.

01:31Dolphins use tools like sea sponges to protect their snouts and employ strategies like shelling for effective hunting.

01:37Dolphins' jaw shape creates a false smile.

01:44They may show different emotions.

01:46Aggression signs include open mouths, bubbles, loud vocalization, and feigned charging, being powerful and unpredictable like aquatic bears.

01:55Humans pose a greater threat to animals than they do to us.

02:03Overfishing and pollution endanger dolphin species, including the Amazon Pink River dolphin and Baiji dolphin, last seen in 2002.

02:11In 2002.