&order_by=votes in the URL is the equivalent of this in the Explore page filter menu:
by you: https://www.inaturalist.org/faves/dan_johnson
also see: https://forum.inaturalist.org/t/add-search-feature-in-favorites/2502/19 (and https://forum.inaturalist.org/t/is-there-a-way-to-bring-your-favorites-into-the-explore-tab/52605/5)