It depends a lot on what local community you have around you, birds, mammals, good photos of fish, large insects, most plants if you photograph them correctly are among easiest taxa to id. If all you have is a smartphone, then plants the easiest, if you have camera for birds, birds are the best ided group on the site.
You can check topics like these:https://forum.inaturalist.org/t/observing-identifying-wildlife-wiki/15332
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