Roadkill occurs when vehicles collide with or run over wildlife, such as birds, mammals, reptiles, and amphibians. According to the Humane Society of the United States, over a million animals are killed every day on our roads and highways. We have created this site to provide a way for people like you to report roadkill so that we can understand and try to influence the factors that contribute to roadkill.

"This [roadkill] is a relatively new source of fatality; and if one were to estimate the entire mileage of such roads in the state, the mortality must mount into the hundreds and perhaps thousands every 24 hours." (Grinnell, 1920)

Add an Observation

We welcome and encourage everyone to add observations of roadkill. Please create an account with us to access other features of the website and enter roadkill observations. After creating your account, you can log in using your username and password.

Read About CROS to find out more about the purpose and objective of the project and potential uses of the data. Click on the button below and fill out the form to enter the observation. This forms enables you to upload a photo, which can greatly help us verify the observation.

Thanks for participating!

roadkill button  

Enter a Roadkill Observation

If you are driving down the road and see an animal that has been hit by a car, we want to know about it! Please use the online form to enter in the details about the roadkill, including the location, type of animal, when you made this observation, and a few details about yourself.

Observations Data Summary

Observations Summary

Total Number of Roadkill Observations: 28762
Total Number of Registered Observers: 1058
Total Number of Unique Species Observed: 389

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