iNaturalist is a free citizen science app that is hosted by the California Academy of Sciences and the National Geographic Society. You can use it to record your own observations of plants and wildlife and get help with identifications of what you see. You can also access all the observational data collected by iNaturalist users around the world using the search tools available on the platform.
iNaturalist connects you with a community of over a million scientists and nature enthusiasts who can help you learn more about nature! iNaturalist uses artificial intelligence to help provide suggested identifications for observations (pics) you upload to the app. These are then verified by experts and experienced players. All verified and research-grade sightings go into global databases, like the Atlas of Living Australia.
"iNaturalist is an online social network of people sharing biodiversity information to help each other learn about nature."