What is a killer whale?

The killer whale, also known as orca, is the largest member of the dolphin family, and one of the most ferocious marine predators on the planet.

Interestingly, the name "killer whale" is a mistranslation of the Spanish designation "asesina de ballenas," which literally means "whale killer." So, these ocean creatures are not whales - they are whale killers.

Scientifically named Orcinus orca, the killer whale is, in fact, a savage predator with sophisticated behaviors. They're often spotted working as a highly coordinated team and rarely lose a battle.

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The top 10 ocean issues

Although they cover over 70 percent of the surface of the planet, the oceans of the world are under serious threat. Discover the ten biggest problems in the oceans right now.

Around eight million tons of garbage are dumped into the ocean every day, and 80 percent of marine pollution comes from land.

These figures have an enormous impact and disastrous consequences on marine biodiversity. But there's more. Take a look at the top 10 ocean issues:

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What is Glass Beach?

The name says it all. Welcome to a California beach where, instead of sand, you'll find millions of tiny pieces of glass.

Glass Beach is a group of three small and narrow beaches in MacKerricher State Park, near Fort Bragg, California, that are covered by millions of colorful pieces of sea glass of all sizes and shapes.

But why is there glass on Glass Beach? All three beaches are abundant in sea glass due to years of dumping garbage into a near coastline areas.

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It produces a characteristic sound that immediately takes us to tropical environments. The ukulele was born in Hawaii but has its roots in Western Europe.

+ Surfing News