Why lists of worldwide bird species disagree

Data gaps and species similarities may lead to undercounting biodiversity.

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How do U…participate in crowdsourced science?

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

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How do U… start birding?

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

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Community science birding data does not yet capture global bird trends

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

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