title: Biochemical genetics and evolution of North American blackbirds, family Icteridae.
mesh_terms: D000483:Alleles; D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000378:metabolism*; D004912:Erythrocytes / Q000201:enzymology; D004950:Esterases / Q000097:blood; D005787:Gene Frequency; D014644:Genetic Variation; D008967:Molecular Biology; D011110:Polymorphism, Genetic; D013045:Species Specificity
chemical_list: D004950:Esterases