Historical Tricolored Blackbird reproductive success measurements from Bill Hamilton

This data set contains a summary of estimates of Tricolored Blackbird (Agelaius tricolor) colony reproductive success from 1992-2005. The Tricolored Blackbird is a near-endemic to the California Central Valley and has experienced marked population declines over the last 100 years. These data were collected by the late William J. Hamilton III in affiliation with the University of California, Davis.