7 amazing citizen science apps

You’re out in the woods and a bird flies by. Not sure what is it? There’s an app for that.

Today’s smartphones make ideal field guides. Photograph a butterfly sipping nectar. Video a slow-moving turtle. Record a birdsong. Then look it up, find a match, and enter your geotagged observations in a virtual field book.

These virtual field guides often support citizen science. You just share what you see. Scientists, researchers and conservationists use the crowdsourced data to look at climate change, track migration and monitor species at risk and sensitive ecosystems.

Here are a few popular apps:

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