eBird

Why lists of worldwide bird species disagree

Data gaps and species similarities may lead to undercounting biodiversity.


How do U…participate in crowdsourced science?

Join in research projects from the comfort of your own home.


How do U… start birding?

Birds are all around, and all you need to get started is an observant eye.


Community science birding data does not yet capture global bird trends

More observations and more focus on common birds could fill the data gap.