The Similar Observation Set field is useful when creating multiple observations of the same organism. I’ve used it for multiple observations of toads & tadpoles in the same pond during the year. It could also be used when multiple people observe the same organism. Here is a link:
Using the field “Similar Observation Set” for linking observations of lepidoptera when raising on
I have used the roadkill field but maybe the newer field of Likely cause of death? = Vehicle would be better as that has been used on more observations.