Explore and learn about New York City’s trees. Discover their species and diameter, record your stewardship activities, and share favorite trees with friends.
Identify Bird Songs and Calls
Sound ID listens to the birds around you and shows real-time suggestions for who’s singing. Compare your recording to the songs and calls in Merlin to confirm what you heard. Sound ID works completely offline, so you can identify birds you hear no matter where you ar
iNaturalist is a social network for naturalists! Record your observations of plants and animals,
share them with friends and researchers, and learn about the natural world.
The Biodiversity Heritage Library works collaboratively to make biodiversity literature openly available to the world as part of a global biodiversity community.
Portal to information on the insect order Diptera (flies and midges) and a forum for researchers on the insect group. The site enables, for example, link submission and identification queries. Registration required for submissions.
Pesquisa e identificação da flora silvestre de Portugal. Fotografias, maps de distribuição e informação sobre todas as espécies de plantas que ocorrem em Portugal.
The Plant Atlas is an evolving partnership of herbaria, universities, conservation organizations, government agencies and information technology professionals. Project partners are united by a common need to manage and disseminate vascular and non-vascular plant information with colleagues and the public.
Taxonomic database that provides basic information about all living reptile species, such as turtles, snakes, lizards, and crocodiles, as well as tuataras and amphisbaenians, but does not include dinosaurs.