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Fireflies flashing in front of trees

Firefly Survey Tips

Are you interested in observing and documenting fireflies, but aren’t sure where to start? Between scientific names, flash pattern measurements, and insect anatomy terms, fireflies can be an overwhelming subject! Read on for some tips on equipment, what to pay attention to, and how to stay safe. Ready to survey for fireflies? Read through the …

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10 ways to collect better firefly data

Firefly researchers (professionals and community scientists alike) often find themselves on a steep learning curve when gathering data on firefly species, especially when they are using methods that don’t involve collecting specimens. This post breaks down some of the ways to ensure that the data you are collecting is as useful as possible for species, …

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How are Firefly Atlas data used?

Candace Fallon, Senior Endangered Species Conservation Biologist If you submit data to the Firefly Atlas, you might be wondering what becomes of that information. You likely know that we are crowdsourcing data to better understand firefly distributions, seasonality, habitat associations, and more. But what does that mean in practice? And who has access to this …

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Firefly Atlas 2024 Year in Review

By Richard Joyce, Endangered Species Conservation Biologist By the Numbers Firefly Atlas grew by leaps and bounds this year, as community scientists and agency biologists across North America dove into making firefly observations and conducting surveys. Check out some of the Firefly Atlas’s 2024 statistics below! Notable Findings Firefly Atlas participants made important and fascinating …

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Pacific Northwest fireflies: Myth or reality?

By Candace Fallon, Senior Endangered Species Conservation Biologist I’ll cut straight to the chase: reality. Fireflies in the Pacific Northwest are very real, although they may not quite match up to the image you have in your mind. Nineteen species of fireflies have been reported from the Pacific Northwest, which we are defining here to …

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Fireflies flashing in front of trees

What if I don’t live in a Firefly Atlas focal region?

By Richard Joyce, Endangered Species Conservation Biologist You’ve created a Firefly Atlas account, looked over the participant handbook, and watched the training video. You’ve read the Community Science Code of Conduct, gathered the equipment you’ll need, and printed out survey data-sheets. There’s just one issue: you don’t live in any of the focal regions highlighted …

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Field notes: Chasing Arizona’s fireflies

By Candace Fallon, Senior Endangered Species Conservation Biologist Whenever someone asks me why I’m visiting southern Arizona in the summer, and I tell them it’s for firefly surveys, they look at me blankly. Fireflies? Here? No way. In the desert? No. East Coast, sure. Midwest, absolutely. But Arizona? Perhaps Arizona is not the first place …

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The flickering glow of summer’s fireflies: too important to lose, too small to notice them gone | Associated Press

Seth Borenstein, Associated Press | “On a muggy July evening, Delaware state biologist Jason Davis is doing what kids have done for ages: Trying to catch a firefly. It’s nowhere near as easy as the summer evenings of his own childhood, with only a few in this large wetland between a bay and the Atlantic …

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The magic — and science — of synchronous firefly displays | NPR

Pien Huang, Regina G. Barber, Rachel Carlson, Berly McCoy, NPR | “Every year for two weeks between mid-May and mid-June, Congaree National Park in South Carolina is home to a fairy-tale-like display of flashing lights.” Keep reading at https://www.npr.org/2024/07/17/1198910402/synchronous-fireflies-lightning-bug-endangered-congaree.

Climate change threatens fireflies, but Midwest could see increase | The Star

Adriana Perez, Chicago Tribune | “For many who grew up east of the Mississippi River, yellow twinkling lights punctuate magical childhood memories. New England natives call them fireflies, but they’re known as lightning bugs from the Midwest to the South. No matter their regional name, they are a staple of warm summer evenings.” Keep reading …

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This is a project of the Xerces Society, working in collaboration with the IUCN SSC Firefly Specialist Group and New Mexico BioPark Society.

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