City Nature Challenge: San Antonio Metro Area

City Nature Challenge: San Antonio Metro Area

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🌎 Four days. 12 counties. Thousands of species waiting to be found.

Join us for the City Nature Challenge, April 24–27, and help document the wild things living right here in the San Antonio Metro Area.

06/05/2026

You chased a painted bunting through the brush for ten minutes to get that photo.

Five minutes for the CNC 2026 survey should be easy. To everyone who already filled it out, thank you. If you haven't, tonight's your last chance.

CNC 2026 happened because you showed up across 12 counties and looked closer. You observed. You identified. You made this event what it is. Now tell us how it went. What was your favorite moment, and what would you change? What you tell us is what we build from, and you're welcome to keep it anonymous.

We'd love to hear from you. Fill out the survey by Friday, June 5.

Take the Survey: https://forms.gle/tVUHcFnNQdqsU8qh9

05/28/2026

CNC 2026 happened because you showed up across 12 counties and looked closer. You observed. You identified. You made this event what it is. Now tell us how it went. What was your favorite moment, and what would you change? What you tell us is what we build from, and you're welcome to keep it anonymous.

We'd love to hear from you. Fill out the survey by Friday, June 5.

Take the Survey: https://forms.gle/tVUHcFnNQdqsU8qh9

05/14/2026

The official results of the 2026 City Nature Challenge are in! 💚

Across our 12-county region, 1,879 observers documented 4,816 species in just four days. That includes 69 at-risk species, 99 species found nowhere else, and 54 Texas Species of Greatest Conservation Need (SGCN). 65% of observations reached Research Grade.

That's real science. And you made it happen.

Globally, more than 106,000 people across 754 cities and 61 countries took part, making CNC the largest community science event of its kind on the planet.

Results from nature teams across our region will be shared at our Wrap-Up Party this Sunday, May 17. You won't want to miss it!

The numbers reflect the official snapshot taken at midnight on May 10. As more observations get identified, the totals will continue to grow.

Explore the Results: https://citynaturestats.com/project/?project=city-nature-challenge-2026-san-antonio-metro-area

Thank you to every observer, identifier, and community partner who joined us this year. The data you collected is now part of the permanent scientific record!

05/14/2026

🎉 Just a quick reminder... We'd love to see you at our Wrap-Up Party this Sunday! RSVP deadline is tomorrow (5/15): https://forms.gle/Mchr2bZxdzH2NA737

We walked the trails, scanned the skies, and turned over a few rocks. Come see what our region found!

Thousands of species and identifications. One community building a scientific record of what's wild in our 12-county region, and all made possible by people just like you.

Now it's time to gather, celebrate the biodiversity we found, and connect with the naturalists who made it happen. Oh, and there's pizza.

Join us for the CNC 2026 Wrap-Up Party.

📅 Sunday, May 17
🕓 4:00–6:00 PM
📍 Brackenridge Park, Koehler Pavilion
3700 N St Mary's St, San Antonio, Texas 78209

Co-hosted by the Alamo Area Texas Master Naturalists and the San Antonio River Authority.

RSVP Required by May 15: https://forms.gle/Mchr2bZxdzH2NA737

05/11/2026

We walked the trails, scanned the skies, and turned over a few rocks. Come see what our region found!

Thousands of species and identifications. One community building a scientific record of what's wild in our 12-county region, and all made possible by people just like you.

Now it's time to gather, celebrate the biodiversity we found, and connect with the naturalists who made it happen. Oh, and there's pizza.

Join us for the CNC 2026 Wrap-Up Party.

📅 Sunday, May 17
🕓 4:00–6:00 PM
📍 Brackenridge Park, Koehler Pavilion
3700 N St Mary's St, San Antonio, Texas 78209

Co-hosted by the Alamo Area Texas Master Naturalists and the San Antonio River Authority.

RSVP Required by May 15: https://forms.gle/Mchr2bZxdzH2NA737

05/08/2026

⏰ Still have photos or recordings on your phone or camera from City Nature Challenge (CNC) weekend?

Upload them now using the iNaturalist app or iNaturalist.org. The deadline for uploads and identifications is midnight on Sunday, May 10.

And even if you didn't make it out during CNC, you can still contribute before midnight on Sunday. Open iNaturalist and start identifying what others found. Every ID you add helps paint a clearer picture of what's living across our 12-county region and makes the data more useful to the researchers and conservationists who rely on it.

That's how a weekend outside counts.

New to identifying? Start here: iNaturalist.org/pages/citynaturechallenge

Learn more at CNC-SA.org.

05/06/2026

See you tonight at 6!

How did it go? What's next?

Identifications are still underway, and there's plenty to talk about. Join us for our monthly meeting on Wednesday (5/6) at 6:00 PM as we hear how CNC weekend went across our 12-county region, review our progress on identifications, and look ahead to what's next, including our CNC 2026 Wrap-Up Party.

Everyone is welcome.

📅 Wednesday, May 6, 2026
🕕 6:00–7:30 PM
💻 Virtual meeting
📋 Register here: https://us06web.zoom.us/meeting/register/eDMNTdZ1ToaFF51I7UHwWQ #/registration

05/04/2026

How did it go? What's next?

Identifications are still underway, and there's plenty to talk about. Join us for our monthly meeting on Wednesday (5/6) at 6:00 PM as we hear how CNC weekend went across our 12-county region, review our progress on identifications, and look ahead to what's next, including our CNC 2026 Wrap-Up Party.

Everyone is welcome.

📅 Wednesday, May 6, 2026
🕕 6:00–7:30 PM
💻 Virtual meeting
📋 Register here: https://us06web.zoom.us/meeting/register/eDMNTdZ1ToaFF51I7UHwWQ #/registration

Photos from iNaturalist.org's post 05/02/2026

iNaturalist put together a great resource if you're new to identifications or want to sharpen your skills. Give it a read.

05/02/2026

🐝 The four-day City Nature Challenge 2026 observation window is closed, but there's still time to upload. If you made observations during CNC weekend, get them added to iNaturalist before the midnight deadline on May 10.

Once they're uploaded, every observation needs community identification before it can reach Research Grade, the standard that makes it most useful as a scientific record. That's where you come in.

Join us at one of these upcoming Identification Parties. We'll work through observations and learn from each other, as we put names to what's living across our 12-county region.

Bring a laptop if you can. Your phone works, too! Field guides and reference books are always welcome.

Space is limited at all events. Please RSVP.

Additional events are being planned. Check CNC-SA.org/events for the latest.

📅 Saturday, May 2, 3:00 - 5:00 PM
BiblioTech EDU
626 N Flores St
San Antonio, Texas 78205
We will meet in the Learning Lab.
RSVP: Contact Brooke Adam • Text: 830-446-2715 • [email protected]

📅 Sunday, May 3, 3:00 - 5:00 PM
BiblioTech EDU
626 N Flores St
San Antonio, Texas 78205
We will meet in the Learning Lab.
RSVP: Contact Brooke Adam • Text: 830-446-2715 • [email protected]

📅 Monday, May 4, 5:00 - 7:30 PM
San Antonio River Authority
100 E Guenther St
San Antonio, Texas 78204
RSVP: [email protected]

📅 Saturday, May 9, 2:00 - 4:00 PM
BiblioTech East
1203 N Walters St
San Antonio, Texas 78202
We will meet in the Toyota USA Foundation Community Room.
RSVP: Contact Brooke Adam • Text: 830-446-2715 • [email protected]

📅 Sunday, May 10, 2:00 - 4:00 PM
BiblioTech East
1203 N Walters St
San Antonio, Texas 78202
We will meet in the Toyota USA Foundation Community Room.
RSVP: Contact Brooke Adam • Text: 830-446-2715 • [email protected]

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San Antonio, TX