this might get at what you’re looking for: https://forum.inaturalist.org/t/using-the-field-similar-observation-set-for-linking-observations-of-lepidoptera-when-raising-on/1018.
there’s a guy in my area who has been posting observations of a pair of red shouldered hawks and their offspring in a local park (https://www.inaturalist.org/observations?place_id=110679&subview=grid&taxon_id=5206&user_id=das43). i think it’s interesting to see how different individuals grow and change over time.