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It's March 12th, 2021, the time is 6.30 p.m.

It is 8.14 Tuesday, April 26th.

It is 9.19am, Friday, June 29th, 23rd.

Every night while you sleep, thousands, if not millions, of ghostly figures dart through the sky just above where you lie.

There are rose-pressed and gross peaks, Sora, Grasshopper Sparrows, black pole warblers, long-built curloughs.

Some of them are flying just a few hundred miles. Some are nearly starting to navigate in the globe.

So how, given that it's dark and given that they're flying anywhere from 15 to about 55 miles per hour over your sleeping head,

would anyone ever be able not only to count them but also to know which bird species just zoomed past?

I'm Jacob Job and you're listening to a five-part science-quickly fascination series on the nighttime bird surveillance network.

And today, you'll not only learn about how it's possible to see bird migrations in darkness,

but we'll also get the actionable intel on how you, too, can join the nighttime bird surveillance network.

That network, it turns out, is growing.

So the night calls seem like a cool frontier and people are finding good stuff.

This is Joe. He's a member of the nighttime bird surveillance network.

He says he owes his interest in birds to growing up with natural spaces surrounding him and a family who like to be outdoors.

But there's one particular aspect of bird watching that is most appealing to him.

I've always been interested in identifying bird sounds and, you know, it's just been a passion of mine to learn to identify, you know, call notes and other things.

Which made for a natural transition.

I ordered a bucket from Bill Evans and, you know, started asking friends for help with identification.

...