Not to get too far in the weeds … I agree on bird pictures, that’s why I mentioned recordings. I’d rather have a song thrush’s song than grainy brown blob.
You may be in the minority, with Mallards and Robins as the #2 and 3 most uploaded UK species. But what is the appropriate proportion of common birds vs common plants vs nematodes when making observations?
With a macro lens, you should have a great opportunity to supplement phone pictures with closeups of flowers, leaf hairs, etc. The difference between https://www.inaturalist.org/observations/117005643 and https://www.inaturalist.org/observations/116641624, for example.