eBird was launched in 2002 by the Cornell Lab of Ornithology and National Audubon Society. It helps bird-watchers keep records of observations.
It's another example of citizen science. eBird aggregates millions of bird sightings, which is very useful for scientists studying the movement, survival and behavior of birds. eBird provides researchers tools to understand all the data that is collected.
This Playa Country episode is part four of a five-part series on citizen science. It first aired on 7/1/14.