A photo of a passionvine hopper that landed on the glasses of a man on our walk. We photographed it for the City Nature Challenge.

A photo of some of the people on the walk in 2024 checking out a Cook Strait kowhai growing on the roadside.

A photo of some of the overwintering monarch butterflies we found in Bradford Park.

A photo of a kererū (NZ wood pigeon) that we found perched in a tree in Hollis Park. Kererū are big green birds with a white breast and red beak and eye.

On Sunday 26 April, I'll be leading another nature walk in Ōtautahi-Christchurch, this time from the Sign of the Takahe to the Botanic Gardens. That's part of the four-day City Nature Challenge.

It's a terrific walk designed to take us through many of the city's […]

[Original post on mastodon.nz]

🚨 April events update! 🚨

Our next 3 events are now fully booked - thank you! 🙌

Join us to explore wildlife at Parc Melin Mynach (formerly Mountain Colliery) & take part in #CityNatureChallenge 🌿

📍 Parc Melin Mynach, Gorseinon
📅 25 April
🔗 www.trybooking.com/uk/GDTW

Spaces are limited.

We’re also running Noticing Nature sessions at Iffley Meadows and Aston’s Eyot & the Kidneys, so come along, explore these special sites and record what you discover.

Find out more: tverc.org/recorders/are-you-notici...

#CityNatureChallenge

🌿 Join the #CityNatureChallenge – #Darwin & #Palmerston!
April 24-27, 2026
1️⃣ Download @inaturalist (free)
2️⃣ Find wildlife (no pets or garden plants)
3️⃣ Take a photo 📸
4️⃣ Upload your observation

Every record helps document Top End biodiversity!

🔗 www.inaturalist.org/projects/cit...

#CitizenScience

🌲The City Nature Challenge
Yorklands, in collaboration with rare, is offering an in-person training session on April 14. You'll learn how to use the iNaturalist app to record observations of wild birds, insects, mammals, plants, amphibians, etc.

See details below👇
#citynaturechallenge

We are nearly two weeks away from the start of the 2026 #CityNatureChallenge (CNC) where we use @inaturalist.bsky.social to record nature around us! Are you ready to join? 🌱🌼🦎

Learn more here: nhmu.utah.edu/citizen-scie...

🐚 #CityNatureChallenge – #Darwin & #Palmerston

Need ideas?
Explore rock pools, walk your neighbourhood, check your garden, or try a night light for moths.

📸 Photograph wildlife or signs of it.
📱 Upload to @inaturalist

You’ll have 14 days after the event to upload!

#CitizenScience

Alpiarça recebe iniciativa internacional de ciência cidadã no Paul da Goucha https://maisribatejo.pt/feed/ Alpiarça recebe de 24 a 27 de abril o City Nature Challenge 2026, iniciativa global de ciência cidadã no Paul da Goucha com atividades de observação da natureza. O conteúdo Alpiarça recebe iniciativa internacional de ciência cidadã no Paul da Goucha aparece primeiro em Mais Ribatejo.

Alpiarça recebe iniciativa internacional de ciência cidadã no Paul da Goucha Leia maisribatejo.pt #Alpiarça #Natureza #CiênciaCidadã #CityNatureChallenge #ObservaçãoDaNatureza

Au printemps, nous vous proposons le #citynaturechallenge en partenariat avec la ville de Strasbourg ! Pour tout savoir de l'événement, ne manquez pas notre webinaire, entre 13h et 14h aujourd'hui, mercredi 8 avril 2026. RDV sur ce lien : http://meet.jit.si/CityNatureChallengeStrasbourg

Happy Earth Month! 🌎️

Private community-based land conservation plays an important role in meeting Canada's climate and biodiversity goals. Find out more about your local land trust at an upcoming community event!

#BirdCount #EarthDay #EarthDayEvents #CityNatureChallenge

The City Nature Challenge is back (24–27 April)!

📸 Spot wildlife near you, take a photo, and upload it using iNaturalist
🌍 Every record helps scientists understand and protect nature
💚 Let’s show how much wildlife Shropshire has

#CityNatureChallenge #Nature #CitizenScience #Shropshire

We've got less than a month until City Nature Challenge ABQ 2026!

Help spread the word to friends & share our flyer online or at your favorite coffeeshop.

#CityNatureChallenge #communityscience #AlbuquerqueEvent #newmexiconature #iNaturalist @inaturalist.bsky.social @citnatchallenge.bsky.social

🌿 Noticing Nature events are back for year two! 🌿

Our free, relaxed events help you slow down, spot wildlife, and build confidence recording what you see.

Starting in Oxford for #CityNatureChallenge and running across Oxon, we hope you can join us!

tverc.org/tverc-news/2...

1/2 Letošní City Nature Challenge proběhne za necelý měsíc. A sice ve dnech 24. až 27. 4.

V rámci ČR se vedle Prahy zapojilo opět Brno, Uherské Hradiště, Č. Budějovice, Veselsko a Ostrava. A nově i Olomouc. www.youtube.com/watch?v=C5Ut...

#citynaturechallenge #citizenscience #bioblitz #inaturalist

Join this year’s #CityNatureChallenge, April 24–27 & contribute to the world’s largest #CommunityScience event 🌍

With National Museums NI, Wild Belfast, @bsbibotany.bsky.social & BugLife

All you need is the free @inaturalist.bsky.social app📲

Join the project: www.inaturalist.org/projects/cit...

CNC2026 HK banner

As #CNC2026 organisers for #HongKong, OWLHK (Outdoor Wildlife Learning Hong Kong) are reaching out to see if any local groups are hosting any outdoor field trip activities during #CityNatureChallenge www.owlhk.org/en/place-bas...

C'est le printemps, et avec lui le retour du #citynaturechallenge à #Strasbourg !
Pendant 4 jours, du 24 au 27 avril, devenez un véritable chasseur de #pokemons, mais dans la vraie vie !
On vous en dit plus très bientôt, abonnez-vous pour ne rien louper !

With just over a month to go until #CityNatureChallenge 2026, great to see evidence that it does actually help!

We are entering Exeter for the first time so anyone who would like to help with either species recording over the weekend or IDs across the following 2 weeks would be much appreciated! 🎉

🏙️The #CityNatureChallenge (CNC) is an annual four-day nature census. Cities around the world will use biodiversity recording platforms like iNaturalist to document nature in their neighborhoods.
Join us for this important citizen science event. Save the dates and learn more in our upcoming e-blasts.

City Nature Challenge NYC logo on green background above a graphic that says Open Data Week 2026 Powered by NYC Open Data March 22-29. Bottom says Panel (3/22), Walk (3/26), Talk (3/28)

NYC Open Data Week 2026 is here and the NYC City Nature Challenge will be featured at THREE events! 🌱 For more info: linktr.ee/citynature_nyc
#OpenDataWeek #GovTech #CivicTech #DataLiteracy #NYCSoData #citynaturechallenge

Hey southeastern WI folks!! Do you love nature? Want a good excuse to get outside? Join this year’s #CityNatureChallenge, April 24–27 and help us observe plants, animals, and other species from around the globe. Join the iNaturalist page here bit.ly/411jNnT

🐸🦎 What might you spot in Darwin & Palmerston this April?

Some of the most common species recorded during past #CityNatureChallenge events include:

🦎 Northern Water Dragon

📸 See one? Upload it to @inaturalist!

#CitizenScience

Our 2026 #CityNatureChallengeABQ Promo Video is out!

youtube.com/shorts/5psa7...

@inaturalist.bsky.social #citynaturechallenge #globalchallenge #bioblitz #citynaturechallenge2026 #communityscience #participatoryscience #newmexiconature #newmexicowildlife #animals #wildlife

City Nature Challenge 2026 is coming!

Wherever you are in Berkshire or Oxfordshire, join in the #CityNatureChallenge from Friday 24th to Monday 27th April by recording wildlife using the free iNaturalist app.

🔗tverc.org/recorders/are-you-notici...

City Nature Challenge 2026: Indianapolis 9th #IndyCNC! April 24-27, 2026 1. Click the Join button to participate! 2. Register at EventBrite. 3. Check the Project Journal for updates! 4. Learn more at Indiana Sciences! 5. Click on "Your ...

The #Indianapolis #CityNatureChallenge is open and ready for you to join the project!

www.inaturalist.org/projects/cit...

#IndyCNC

It’s not too early to join the largest annual global #bioblitz!

🏙️🌲The #citynaturechallenge (CNC) is an annual nature census in which cities around the world use biodiversity recording platforms. We will be providing pre-census iNaturalist training, walks and bio-blitzes in the city over four days from April 24-27.
🙌Save the dates and stay tuned!

We’re very excited to host the #CityNatureChallenge again this year for the 4th year! We want everyone in #Oxfordshire and #Berkshire to join us in recording their wildlife sightings in iNaturalist.

Ready to take part? Find out more and see how you can get involved here: tverc.org/recorders/ar...

Don’t miss out! Cities worldwide are coming together to document and share nature in the 2026 #CityNatureChallenge!

Register your city before January 30, 2026 ➡️ https://bit.ly/4aZRdpx

City Nature Challenged: reflections on the experience of UK City Nature Challenge Organizers Data from surveys, interviews and written responses are used to explore the strategies used and challenges faced by organizers of citizen science events.

Organizer registration for the #CityNatureChallenge 2026 closes this week!

Anyone can be a CNC organizer, so check out these important reflections from SEI York's Smriti Safaya to identify your organizer style and set your city up for success:

buff.ly/hTrQi4L

@inaturalist.bsky.social #CitiSci

📢 Invite your city to track biodiversity and register for the 2026 #CityNatureChallenge!

📅 When: April 24 – May 10, 2026
🌐 Register your city today: www.CityNatureChallenge.org