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Endangered And Threatened Wildlife And Plants; Proposal To Determine The Black-Capped Vireo To Be An Endangered Species
Endangered Species Bulletin
The Service proposes to list the black-capped vireo (Vireo atricapillus) as an endangered species under provisions of the Endangered Species Act of I973 as amended. This small bird formerly bred from Kansas through Oklahoma and Texas to central Coahuila in Mexico. The vireo population is declining. It no longer occurs in Kansas, is gravely endangered in Oklahoma where it was found in only three small areas in 1986, and is no longer found in several parts of its former range in Texas. The black-capped vireo is threatened by brown beaded cowbird (Molothrus ater) nest parasitism and …