How the Andes mountains killed a group of whales some sloths and a load of seals. 4 times.

In the driest desert in the world, the Atacama desert in Chile, there are a host of sea life skeletons preserved in the ground.

The Atacama Desert and some amazing pictures here: Source: https://www.explora.com/atacama-hotel/
The incredible Chalicotheres: Source. The earth’s projected layout and water level: Source

So there were loads of marine life there?

Three whale skeletons that were found.
Mass Stranding Photo Source: The incredible Eons Channel ; Mass Stranding Engravings from 1577: Wiki Source.

Causes of beaching

  1. Environment — individuals’ weakness, rough weather, shallowly sloping beach fronts, consuming poisonous food or water, rain and sand disrupting echo location, and changes magnetic poles of Earth are all examples.
  2. ‘Follow Me’ — when large whales follow smaller whales or dolphins and become beached. This stems from the fact that most whales that are beached are social animals, the solitary ones are much less common.
  3. Accidentally Intentional — very very very rarely some Orca’s do beach themselves when they intentionally land themselves on beaches when chasing seals. But it is rare as Orcas are so clever … and terrifying.
  4. Sonar — Human’s typically causing confusion, scaring whales or causing internal haemorrhaging from use of sonar

So what could it be?

What is your poison?

The best guess is from Algal Blooms. We see them occurring regularly and naturally.

Lake Erie being Erie. The South West becoming a mess. The Red Tide filling Florida.

But where did it come from and how did it happen 4 times?

This is where the Andes and, more generally, South America’s geography comes in. South America diverts a strong wind current and hence creates a cycle as below. The wind travels strongly north and, as such, has an effect on the sea.

So what food did the algae eat to bloom so quickly, 4 times only?

The time periods during which these mass strandings happened are close to an earth cycle know as precession. This is essentially how wobbly our earth is and how that changes temperatures on Earth.

So this is the theory on how the Sun, Earth and Andes killed a load of whales, seals, dolphins and some sloths.

tl;dr

The Earth wobbles, so its average temperature oscillates over thousands of years. Snow and ice built up on the Andes during a cold period. This cold period was quickly followed by a hot period, the speed of which was probably caused by El Niño, which melted the ice and brought iron rich sediment to the sea.

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