Dear iNat Forum Community, With the City Nature Challenge approaching, we wanted to reach out and make sure that there is an open line of communication between the iNaturalist community and City Nature Challenge Global organizing team. As has been mentioned in other forum threads, the City Nature C…

[image] wy_bio: Can people outside the LA area attend the zoom presentation. I’m assuming some people in other places might be interested in learning how to identify parrots, files, ants, and spiders. We should note that iNaturalist staff have an ongoing series of video tutorials about identi…

I emailed NHMLA and they said people outside LA are welcomed to join the ID party zoom event. The presentations will focus on species in Southern California. [image] AdamWargon: We should note that iNaturalist staff have an ongoing series of video tutorials about identifying: https://www.yout…

There was just another IDing webinar this morning! @tiwane went over identifying arthropods: how to sort them into their subphyla. Should be posted to the YouTube channel later today!

Here it is ! Unfortunately it does involve listening to me talk. Hopefully some folks find it helpful, though.

I need a little bit of support please. In the CNC observations from Ostrava, there are some species, where sometimes a picture occurs, where a plant is obviously cultivated. And a lot of pictures of the same species where you can’t tell, but suppose (not sure) it could be the same plant. Is there …

I’ve wondered that too- especially about all the Berberis observations since that genus tends to frequently escape cultivation and spread aggressively in the wild in my area. In cases where I’ve been uncertain, I didn’t mark them as cultivated. As a North American I have no idea if those (or other) …

@cthawley Thanks for moving it to the right place. I have overlooked that threat. Now is missing the answer, which has been there in the morning. Perhaps you want to move it to here, too? Yes, thats’s a good input - the knowledge of the reagion makes it much easier to estimate, if a species is cult…

Can anybody tell please, at which time (Europe) the CNC will end exactly? 10th of may at midnight local time? Thanks!

I presume midnight - today - local time wherever we are.

City Nature Challenge 2026

General

cthawley May 7, 2026, 11:19am 74

Moved this post from its original topic here

https://forum.inaturalist.org/t/cnc-has-a-problem-and-here-is-what-we-can-do/78169

as this is a better fit.

Topic		Replies	Views
Changes to City Nature Challenge 2026: from the Global Organizing Team General	41	2272	December 5, 2025
Large numbers of falsified observations for this year's City Nature Challenge General	40	2292	May 8, 2025
City Nature Challenge 2025 ID residue General id , cnc25	52	1642	July 10, 2025
City Nature Challenge - issues & suggestions for improvement General	65	2104	May 31, 2025
CNC has a problem (and we need to fix it) General	175	4629	June 4, 2026

City Nature Challenge 2026

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