Most days you can find Juan Masello dangling out over the ocean off the face of this

hundred foot sandstone cliff in Patagonia.

It's a place that is both incredibly beautiful

and highly dangerous.

The wind is blowing sometimes very strong.

The smell is the sea spray smell.

We do the work mainly during low tie,

but we keep working until the height type is almost there.

So you always have a little bit of sea spray around.

The feeling is a lot of adrenaline.

The sound is deafening, thousands of parrots just flying around.

Kwan is a biologist and he hangs from this cliff and risks his life on a regular basis to study parrots,

not just any kind of parrot, a burrowing parent that calls this cliff their home.

The parrot colony, we are talking about 37,000 nests, which means 74,000 adults flying around, which produce between 2 and 5 chicks.

Well, it's many, many thousands of birds, over 100,000.

Some days you get more tire from the sound of the parrots than from the work itself.

I'm Delantheurus and this is Atlas Obscura,

a celebration of the world's strange, incredible and wondrous places.

Today we visit a sprawling parrot city. We repel down the

sides of the cliffs of El Condor and learn how these birds have adapted to this pretty harsh environment, what they are

digging for, and why Juan is still repelling down this cliff risking crushed limbs and a fall to his death to study

these strange burrowing birds. Juan Masello has been coming to the cliffs of El Condor for the past two decades to study these

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