The City Nature Challenge is less than 3 weeks away! April 30-May 3

Hey everyone!

The City Nature Challenge is back again this year from April 30-May 3! Like previous years, the challenge area is the county of Philadelphia plus all counties that directly share a border with Philadelphia. This includes Montgomery, Bucks, and Delaware counties in PA and Camden, Gloucester, and Burlington counties in NJ. During the CNC last year, the Greater Philadelphia Area did really well with over 23k observations (6th place if it was a competition), 1847 species (12th place), and 854 observers (11th place). Special shoutout to @srall who joined the Philly effort for the first time last year and was first in both observations (1740) and species (370) locally. Sara also had the 7th most number of observations among more the 43k observers around the world. That's an amazing effort, Sara, and we hope you join us again this year.

While COVID-19 still puts a dampener on things, vaccination rates are increasing and things are opening back up again. So this time around we have some group activities like guided walks (most require registration) but we are still encouraging individuals or small groups to go out on their own and make observations wherever they are comfortable. The CNC is not being pitched as a competition again this year, but rather as a collaborative effort where cities around the world work together to document biodiversity in urban areas. But individual cities are encouraged to do mini-competitions with each other.

I'm tagging all of you here because you are one of the top observers in our region (either all-time or recently) and we would love to have your help in making even more observations during this 4 day period at the end of the month. And to make sure we get as many species as possible, I've made a simple website that shows you all the species that have been reported in our region during April and May, but not yet seen during the CNC: The species are organized in descending order of how many observations have been made for that species. As people make observations, they will fall off that list every 30 minutes or so.

We would also love your help in spreading the word about the CNC among your family and friends. You can also tag them in the comments here.

Here are some useful links with more info:
Philly CNC website:
Philly CNC iNat project:
Main CNC website:
Last year's results:

We also have some prize this year thanks to our partner organizations:

Thanks for documenting the biodiversity of our region and we hope you'll help us during the CNC as well.

@josephthebirder @keimwj @brennafarrell @johnnysap @linkmdavis @conboy @annebekker @srall @robizzy @danefroymson @ginsengandsoon @nmacelko2 @brianwhite @brittany101 @maricel-patino @jenovak @bugsandbirds @zroskoph @kmv @augien @prolleston @sammakler @michaelmorris @robm2 @kdstutzman @joedurrance @laurenhallden @mikehannisian @clearwing_moth @bmac922 @michaelpirrello @gracejeschke @jawnattenborough @sgreene13 @mycofreak @jason310 @tkr421 @ryan117 @sandykeller @bobby23 @adventurehiker @stretchwell @georgemushkal @seahound @ctiemann16 @ahimsavet @that_hippie_chick @birdzilla @milkweedhunter @jas651fcm @go2nature @kristym @godshallcs @rayray @colinpurrington @maxcavitch @cliffh @jonibaum @katesnowbird @javiehweg @leroytabb @mertensia @tkirk304 @kellyfrank98 @debbeer @jstippick @phillyphantailphan @anne302 @bull1 @jeffmollenhauer @linda142 @yan_tonz @tb_wildlife_photography @mahenry @galecannon @raincro @pachogut @cherz13 @talkstoplants @sammakler @dwiebe @hisongbird @naturejeanne

Posted on Απρίλιος 11, 2021 0551 ΜΜ by navin_sasikumar navin_sasikumar


I need to look into the Cincinnati Nature Challenge. I moved to Cin, Ohio Navin. Am enjoying exploring out here! I miss the ocean and pine barrens though! Good luck!

Αναρτήθηκε από sandykeller περίπου 3 χρόνια πριν

Alrighty, I was wondering when this years would be, looking forward to it!

Αναρτήθηκε από josephthebirder περίπου 3 χρόνια πριν

@sandykeller Ah, I didn't know that. Bummer! We'll miss having you participate with us. We've got to recruit someone else to get the stuff only you got us the last couple of years.

@josephthebirder Excellent! Glad you'll be participating again this year.

Αναρτήθηκε από navin_sasikumar περίπου 3 χρόνια πριν

Thanks for the heads-up about this. Looking forward to it!

Αναρτήθηκε από kdstutzman περίπου 3 χρόνια πριν

Excellent! Thanks for participating, @kdstutzman!

Αναρτήθηκε από navin_sasikumar περίπου 3 χρόνια πριν

I just moved to DC but I can help ID!

Αναρτήθηκε από gracejeschke περίπου 3 χρόνια πριν

@gracejeschke Looks like I managed to tag everyone not in Philly anymore. :) The DC iNat community is great and they do really well on the CNCs. As much as we want to take down DC this year, good luck! And thanks for offering to help ID.

Αναρτήθηκε από navin_sasikumar περίπου 3 χρόνια πριν

I am rooting and will do my best for Cincinnati this year!

Αναρτήθηκε από sandykeller περίπου 3 χρόνια πριν

Good luck!

Αναρτήθηκε από navin_sasikumar περίπου 3 χρόνια πριν

Great job on target website! That is so cool.
I've posted to Gloucester County Nature Club and the GC BYEC. Hoping that pulls in a lot of observations. :-)

Αναρτήθηκε από seahound περίπου 3 χρόνια πριν

Thanks, @seahound! And thanks for sharing too. Fingers crossed for a lot of observations from Gloucester county.

Αναρτήθηκε από navin_sasikumar περίπου 3 χρόνια πριν

Good luck Barb!!! But Cincinnati will win!!!

Αναρτήθηκε από sandykeller περίπου 3 χρόνια πριν

Good luck to you too, Sandra!! But I beg to differ!!!!

Αναρτήθηκε από seahound περίπου 3 χρόνια πριν

I am ready!

Αναρτήθηκε από go2nature σχεδόν 3 χρόνια πριν

@go2nature Yay!

Αναρτήθηκε από navin_sasikumar σχεδόν 3 χρόνια πριν

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