iNaturalist helps you identify the plants and animals around you. Snap a picture of a plant or an animal and our software will make suggestions as to what species it might be.
In collaboration with http://www.inaturalist.org/ and the California Academy of Sciences.
Merlin Bird ID helps you identify birds from photographs. Currently restricted to ~500 species in North America.
In collaboration with the Cornell Lab of Ornithology and with the Macaulay Library at Cornell.