November 29, 2023

City Nature Challenge 2019 Public Events

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City Nature Challenge Calgary

April 26, 2019 - April 29, 2019

CNC YYC 2019

Join the challenge to see how Calgary’s nature stacks up to cities around the world! Calgary will be under a total bioblitz and will compete with cities like Berlin, Rio de Janeiro, San Francisco and over 160 others in an attempt to document and identify all things wild!

CNC has three categories for cities to compete:

  1. The largest amount of observations made between April 26 – 29
  2. The greatest number of species documented
  3. The highest number of participants

This intercity competition is friendly at best, but prestigious bragging rights are up for grabs.

Make as many observations as you can April 26-29 by taking photos and uploading them to All observations must be made within Calgary’s city limits. You can participate at one of the many events (bioblitz-style nature walks) or you can explore the city independently. All of the observations made will count towards Calgary’s entry in the global City Nature Challenge (CNC) competition.

If for some reason you can’t get outside to make observations, you can still participate by helping to identify what people find April 26 – May 5. Visit the project page here or log on to iNaturalist, click “explore”, enter Calgary as the location..

Calgary will be the most northern city in North America competing. Halifax, will be the only other Canadian city to compete and have directly challenged us. Calgary’s best chance will be in the participant category due to our late spring season. Share with your friends and explore Calgary’s urban ecosystem!


April 26, 2019
April 29, 2019
Event Category:


City Nature Challenge Calgary
Nature Calgary
Weaselhead Glenmore Park Preservation Society
Friends of Nose Creek
Call of the Wetland
Friends of Fish Creek Park
Friends of Confederation Creek


Calgary, + Google Map