This list is under construction as I finish uploading observations from 2020.
Here are the 100 most common species observed in Ontario that I personally had not observed prior to the year 2021.
Filters used:
Display species
Verifiable, research grade
Observed in Ontario
Unobserved by mws
At species rank
Uploaded before January 1st 2021
![](https://inaturalist.nz/assets/logo-eee-15px-8f26cb7404257fa9b8ee143ca65be95b53e98e56f81ff1678848b9e3ae2e13ee.png)