Crowd-sourced data wins protection for endangered tricolored blackbird

[PhysOrg]

When scientists first proposed adding the Tricolored Blackbird to the California endangered species list in 2004, they had a problem. Tricolored Blackbirds nest in large colonies that can move from year to year, and because the locations of these colonies in any given year may not be known, existing survey data were not enough to convince the California Fish and Game Commission to approve the listing.

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