Every spay/neuter project is a potential experiment

Kitizen Science wants to build a better evidence base about how sterilization programs affect the size of free-roaming cat populations in urban and suburban North America with the applied goal of learning the most effective ways of reducing free-roaming cat overpopulation using cat-friendly methods.

Pairing rigorous population ecology research methods with volunteer-driven data collection and processing, we are focusing on the following important questions: Are sterilization programs effective at reducing free-roaming cat populations? How do levels of sterilization coverage vary in their impact on free-roaming cat populations? How long after implementing a sterilization program can we expect to see a decrease in cat numbers? How do the answers to these questions change in different contexts? Read more about our mission.

There is broad public support for using spay/neuter programs instead of culling to manage free-roaming cat populations, and there is peer-reviewed research that these spay/neuter efforts can correlate with decreases in shelter intake, lower shelter euthanasia of cats, and reduced cat nuisance complaint calls. However, there is little evidence as to whether spay/neuter programs control or reduce the number of cats on the outdoor landscape, and there is a need for better tools for monitoring this directly. Learn about why our work is needed and the current research into spay/neuter and TNR.

Kitizen Science will not be operating clinics ourselves, but partnering with those who do in order to conduct impact assessments. Our community of volunteers will be both local and global thanks to the internet, so you can participate whether or not you live near a study site. See more about how our program works.

Kitizen Science is currently in its beta stage in 2019 and 2020. We are conducting three validation studies to make sure that Kitizen Science's assumptions and research methods have been rigorously vetted to produce high quality data for analysis. The first validation study, testing the accuracy rate of online volunteers in matching cats in smart phone photos, was open during the summer and fall of 2019. Our second validation study, testing the workflow process on our citizen science platform, will begin in January 2020.


Participate in Kitizen Science!