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INaturalist logo.png
Type of site
Citizen science
Available in Arabic, Basque, Breton, Catalan, Chinese, Czech, English, Estonian, Danish, Finnish, French, Galician, German, Greek, Indonesian, Italian, Japanese, Korean, Luxembourgish, Macedonian, Occitan, Portuguese, Russian, Spanish
Owner California Academy of Sciences [1]
Commercial No
Registration required
Launched 2008;
10 years ago
Current status Online

iNaturalist is a citizen science project and online social network of naturalists, citizen scientists, and biologists built on the concept of mapping and sharing observations of biodiversity across the globe.[2] Observations may be added via the website or from a mobile application.[3][4] The observations provide valuable open data to scientific research projects, conservation agencies, other organizations, and the public.[5][6][7] The project has been called "a standard-bearer for natural history mobile applications."[8]

History began in 2008 as a UC Berkeley School of Information Master's final project of Nate Agrin, Jessica Kline, and Ken-ichi Ueda.[1] Nate Agrin and Ken-ichi Ueda continued work on the site with Sean McGregor, a web developer. In 2011, Ueda began collaboration with Scott Loarie, a research fellow at Stanford University and lecturer at UC Berkeley. Ueda and Loarie are the current co-directors of The organization merged with the California Academy of Sciences on April 24, 2014.[9] In 2014, iNaturalist celebrated its one millionth observation.[10] iNaturalist incorporated an image-based automated species identification model called "Computer Vision" into the browser and mobile apps in 2017.[11] In 2017, iNaturalist became a joint initiative between the California Academy of Sciences and the National Geographic Society.[12]


The iNaturalist platform is based on crowdsourcing of data. Users of iNaturalist can submit observations of organisms in the form of photographs, sound recordings, or visual sightings. As of 8 May 2018, the iNaturalist community consisted of over 930,000 users contributing over 11,200,000 observations[13] of plants, animals, and other organisms worldwide. Observations are either "casual," "needs ID" (needs identification), or "research" grade. Research grade observations are incorporated into other online databases such as The Global Biodiversity Information Facility.[6] iNaturalist is the preferred application for crowd-sourced biodiversity data in Mexico.[14]

Using the iNaturalist app in the field

Users have created and contributed to over 17,000 different projects,[15] spanning hundreds of themes. Project examples include taxa- and location-specific bioblitzes, roadkill observations, animal tracks, and documenting the spread of invasive species. In 2011 iNaturalist was used as a platform to power concurrent Global Amphibian and Global Reptile BioBlitzes, in which observations were used to help monitor the occurrence and distribution of the world's reptiles and amphibian species.[16] The US National Park Service partnered with iNaturalist to record observations from the 2016 National Parks BioBlitz. That project exceeded 100,000 observations in August 2016.[17] In 2017, the United Nations Environment Programme teamed up with iNaturalist to celebrate World Environment Day.[18]

The City Nature Challenge

In 2016, Lila Higgins from the Natural History Museum of Los Angeles County and Alison Young from the California Academy of Sciences co-founded the City Nature Challenge. In the first City Nature Challenge, naturalists in Los Angeles and the San Francisco Bay Area documented over 20,000 observations with the iNaturalist platform.[19] In 2017, the challenge expanded to 16 cities[20] across the United States and collected over 125,000 observations of wildlife in 5 days. In 2018, the challenge expanded to a global audience, with 68 cities participating from 19 countries, with some cities using community science platforms other than iNaturalist to participate.[21] In 4 days, over 17,000 people cataloged over 440,000 nature observations in urban regions around the world.[22]

Seek for kids/families

In spring of 2018, iNaturalist introduced Seek by iNaturalist for iOS mobile devices[23] to help youngsters and families learn about nearby nature, try to match a target species, and earn badges for observations.[24] Billed as "kid-safe" and "family-friendly", no registration is required, and it collects no user data. An Android version is being considered.

See also


  1. ^ a b c "About". 5 August 2013. Retrieved 7 August 2013. 
  2. ^ "San Francisco's Parks Scoured in Wildlife Inventory". 7 May 2014. Retrieved 31 January 2015. 
  3. ^ "iNaturalist application (iTunes Store)". 25 June 2013. Retrieved 7 August 2013. 
  4. ^ "iNaturalist application (Google Play)". 4 June 2013. Retrieved 7 August 2013. 
  5. ^ "Encyclopedia of Life and iNaturalist work together to support citizen science". 18 June 2012. Retrieved 7 August 2013. 
  6. ^ a b Bowser, A., Wiggins, A., Shanley, L., Preece, J., & Henderson, S. (2014). "Sharing data while protecting privacy in citizen science" (PDF). Interactions. 21 (1): 70–73. doi:10.1145/2540032. 
  7. ^ Pimm, S.; et al. (30 May 2014). "The biodiversity of species and their rates of extinction, distribution, and protection". Science. 344: 1246752. doi:10.1126/science.1246752. PMID 24876501. Retrieved 31 January 2015. 
  8. ^ Goldsmith, G. R. (6 August 2015). "The field guide, rebooted". Science. 349 (6248): 594–594. doi:10.1126/science.aac7810. 
  9. ^ "California Academy of Sciences Acquires iNaturalist". 14 May 2014. Retrieved 14 May 2014. 
  10. ^ Hance, Jeremy (November 10, 2014). "Citizen scientist site hits one million observations of life on Earth". Mongabay. 
  11. ^ "iNaturalist Computer Vision Explorations". 2017-07-27. Retrieved 2017-08-12. 
  12. ^ "About". 2018-05-07. Retrieved 2018-05-08. 
  13. ^ " Stats". 23 January 2018. Retrieved 23 January 2018. 
  14. ^ Pimm, S. L.; Jenkins, C. N.; Abell, R.; Brooks, T. M.; Gittleman, J. L.; Joppa, L. N.; Raven, P. H.; Roberts, C. M.; Sexton, J. O. (2014). "The biodiversity of species and their rates of extinction, distribution, and protection" (PDF). Science. 344 (6187): 1246752–1246752. doi:10.1126/science.1246752. PMID 24876501. 
  15. ^ "Projects". 28 January 2017. Retrieved 28 January 2017. 
  16. ^ Holtz, Debra Levi (October 10, 2011). "Reptile, amphibian BioBlitzes tap social media". San Francisco Chronicle. 
  17. ^ Seltzer, Carrie (2016-08-25). "Citizen scientists give NPS 100,000+ biodiversity records for 100th birthday". National Geographic Society (blogs). Retrieved 2016-09-17. 
  18. ^ "App brings marvels of tech and nature together to keep the world connected". 
  19. ^ "City Nature Challenge 2016 iNaturalist Project". 2018. Retrieved 8 May 2018. 
  20. ^ "City Nature Challenge 2017 iNaturalist Project". 2018. Retrieved 8 May 2018. 
  21. ^ "". 2018. Retrieved 8 May 2018. 
  22. ^ Higgins, Lila (4 May 2018). "City Nature Challenge 2018: A Win For Urban Nature Around the World". Natural History Museum, Los Angeles County. 
  23. ^ "Seek by iNaturalist on the App Store". App Store. Retrieved 13 May 2018. 
  24. ^ "Seek App -". Retrieved 13 May 2018. 

External links

  • Official website
  • iNaturalist on Vimeo
  • Introducing iNaturalist by Suzanne Cadwell
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