I'm going to start with a form that is used for reporting incidental observations. See info here at the bottom of the page for a brief description. This is uber cool. It's super casual, you can accumulate observations as you go and submit whenever you want I think.
wildlife wildlife tree
https://www2.gov.bc.ca/gov/content/environment/plants-animals-ecosystems/wildlife/wildlife-data-information/submit-wildlife-data-information/data-submission-templates