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For people who've never heard of an elephant bird, what do they need to know?

I think, first off, the size. They are colossal.

I'm Flora Lickman, with Scientific Americans Science Quickly. This is episode two of my homage to Earth's

real big birds. Last episode, we talked about the biggest bird to fly.

Today, we're homing in on the heaviest bird to set its scaly foot down on planet Earth.

The elephant bird.

They are outstanding.

This is elephant bird expert and paleontologist James Hansford.

Just absolute titans of the bird world.

Elephant birds lived in Madagascar.

They seemed to be mostly herbivorous.

None of them flew.

And there were a number of different species that ranged from the size of an ostrich

to the size of a smart car.

The biggest I've measured was just somewhere around £1,900.

Oh, my God.

...