Report

Conservation Plan for the Tricolored Blackbird, 2.0 Update

Date: 
2009-01-29

The Tricolored Blackbird Working Group was formed to voluntarily develop and implement actions that would help to ensure the long-term survival of the tricolored blackbird. Working Group members produced a Conservation Plan to guide their efforts.

The Conservation Plan was signed in September, 2007.

Available for download is the version 2.0 update to the Conservation Plan, January, 2009.

The Conservation Plan should be cited as:

Tricolored Blackbird Working Group. 2009. Conservation Plan for the Tricolored Blackbird (Agelaius tricolor). 2.0 Update. Susan Kester (ed.). Sustainable Conservation. San Francisco, CA.

Results of the 2011 Tricolored Blackbird Statewide Survey.

Date: 
2012-06-01

This report, by Keiller Kyle and Rodd Kelsey of Audubon California, provides a summary of the 2011 statewide survey.

The Status of the Tricolored Blackbird (Agelaius tricolor) in Southern California: Results of the Spring 2009 Census

Date: 
2012-03-12

This report by Dr. Jonathan Feenstra summarizes the results of his efforts to estimate the number of tricolored blackbirds in southern California during the 2009 breeding season.

Nest Survival of Tricolored Blackbirds in California’s San Joaquin Valley 2011 Annual Report

Date: 
2012-03-07

Results of Kelly Weintraub's 2011 field season in the Tulare Basin determining the nesting success rates of Tricolored Blackbird colonies in various nesting substrates. This report was prepared for the Fish and Wildlife Service as an annual report.

Methodology, results, and discussion of Tricolored Blackbird nesting success are included.

Trapping and Banding of Tricolored Blackbirds in 2011.

Date: 
2011-10-06

Tricolors were trapped and banded at 4 locations in 2011 and hundreds of previously banded birds were recaptured. This report summarizes the trapping and banding results of U.C. Davis ecologist Dr. Robert Meese.

Reproductive Success of Tricolored Blackbird Colonies in 2011 in the Central Valley of California.

Date: 
2011-09-06

This is the annual report of Dr. Robert Meese of the Dept. of Environmental Science & Policy at the University of California, Davis and summarizes his field work in detecting, monitoring, and estimating the reproductive success of tricolored blackbird breeding colonies in the Central Valley of California. This report integrates 7 years of field work, provides evidence for insect limitation as among the factors causing the 35% reduction in abundance of tricolors from 2008 to 2011, and provides conservation recommendations that may help to sustain the species.

Detection, Monitoring, and Fates of Tricolored Blackbird Colonies in 2010 in the Central Valley of California

Date: 
2010-12-02

This report documents the results of field work conducted in 2010 by Dr. Robert Meese, discusses the significance of these results, and provides recommendations for the conservation of tricolors.

Trapping and Banding of Tricolored Blackbirds (Agelaius tricolor) in the Central Valley of California in 2010

Date: 
2010-12-02

This report provides a summary of efforts made by Dr. Robert Meese and collaborators in 2010 to trap and band tricolored blackbirds at five sites in the Central Valley, from Kern National Wildlife Refuge in the south to Delevan National Wildlife Refuge in the north, and includes a summary of records of previously banded birds recovered, recaptured, and re-sighted during the field season.

Contribution of the Conservation of Silage Colonies to Tricolored Blackbird Conservation 2005-2009

Date: 
2009-10-21

This report summarizes the costs and benefits of conserving tricolored blackbird breeding colonies located in grain fields in the San Joaquin Valley from 2005 through 2009. Report prepared by Bob Meese and submitted the U.S. Fish & Wildlife Service, 2800 Cottage Way, Sacramento, CA 95825.

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