Tricolored Blackbirds are a near endemic to the state of California and are North America's largest breeding colony forming bird species. These data have been produced as part of the CCGP. Sequencing was conducted with HiFi Pacific Biosciences long reads at UCDavis Genome Core, Dovetail's OmniC libraries, and Illumina sequencing at UCBerkeley QB3 Genomics Core. For more information, go to: ccgproject.org