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This is Scientific American's 60 Second Science.

I'm Sarah Whitman. Oh! Yeah. This is Scientific American's 60 Second Science.

I'm Sarah Whitman.

That's a female northern cardinal.

And here's a female Venezuelan troupeal. Many people assume that male songbirds are the ones doing the crooning, but more than 660 species of songbirds are known in which the females sing as well.

And there are still 3,500 species of songbird in which the female singing status is unknown, which implies

that there could be plenty more female singers to be found. We often talk to people, both people

who are scientists and ornithologists, but also people who are birders and citizen scientists who

say, yeah, you know, I have this story where a female

was clearly singing.

Biologist Lauren Benedict of the University of Northern Colorado.

These field reports inspired Benedict and Cornell behavioral ecologist Karen Odom to start

the female birdsong project with a group of colleagues in 2017. The goal is to get professional

researchers and citizen scientists alike to submit recordings and field notes of birdsong

from both males and females. And we're hoping to really give them ways to report that and document

it so that we can aggregate that information in useful ways.

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