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I'm John Bachelor.

In conversation with the author, Stephen Moss,

the author of the new book, Ten Birds that Change the World.

We chanced upon the carrier pigeon, the humble carrier pigeon.

And how that bird, because of its skill to get home,

is a chosen communication system in the First War and the Second War.

Getting through when no one else could,

there's a famous story in the First War that Stephen tells

about a carrier pigeon that though the Germans were shooting at it

and though that it was a great risk of its own life,

it managed to carry a message that saved lives.

Here's Stephen Moss, the book is Ten Birds that Change the World.

There are a lot of other stories.

This is a particular one, especially when it comes to the point.

...