x

Home

Cities around the world will be competing to see who can make the most observations of nature, find the most species, and engage the most people in the 2020 City Nature Challenge.

City Nature Challenge

Cities around the world will be competing to see who can make the most observations of nature, find the most species, and engage the most people in the 2020 City Nature Challenge.

Thousands of people from across the globe will get outside to look for nature in their cities!

The 2020 City Nature Challenge takes place in 2 parts

April

24 – 27

Taking pictures of wild plants and animals.

April 28 –

May 4

Identifying what was found.

Results will be announced on Friday May 4th. Will your city win?

Taking Part is Easy

Find Wildlife

It can be any plant, animal, 
or any other evidence of life found in your city.

Take a Picture

Take a picture of what you find. Be sure to note the location of the critter or plant.

Share!

Share your observations through iNaturalist or your city’s chosen platform.

Final 2019 Results

Cities Observations Cities Species Cities People
Cape Town, South Africa 53763 Cape Town, South Africa 4588 San Francisco Bay Area, CA, USA 1947
La Paz, Brazil 46931 Hong Kong SAR, China 3596 Los Angeles County, CA, USA 1555
San Diego County, CA, USA 38241 Houston, TX, USA 3367 La Paz, Brazil 1500
San Francisco Bay Area, CA, USA 38028 Los Angeles County, CA, USA 3249 Quito, Ecuador 1372
Tena, Ecuador 37965 San Francisco Bay Area, CA, USA 3183 Washington, D.C., USA 1258

2019 Participating Cities

See full list of 2019 participating Cities and Collaborating Organizations
 

2018 Winners

MOST

OBSERVATIONS

San Francisco

41,737 observations

MOST

SPECIES

San Francisco

3,211 species

MOST

PARTICIPANTS

San Francisco

1,532 participants

View all past winners >