iNaturalist
iNaturalist is a leading platform that allows users to record and share nature observations, contributing vital data to global biodiversity research through a community of citizen scientists and experts.
Explore and share your observations from the natural world.
Record your observations
Discuss your findings
Every observation can contribute to biodiversity science, from the rarest butterfly to the most common backyard weed. We share your findings with scientific data repositories like the Global Biodiversity Information Facility to help scientists find and use your data. All you have to do is observe.
Record your encounters with other organisms and maintain life lists, all in the cloud.
Help scientists and resource managers understand when and where organisms occur.
Connect with experts who can identify the organisms you observe.
Find a project with a mission that interests you, or start your own.
Build your knowledge by talking with other naturalists and helping others.
Hold an event where people try to find as many species as possible.
Source: Hacker News
