Before a group of young cowbirds had time to socialize much, West had them stay the winter with a group of canaries. In the spring they were turned loose in an aviary with a mixed group of birds. What happened was weird: the cowbirds sang like canari...
Brown-headed cowbirds are robin-sized black birds whose range covers most of North America. From a peoples point of view cowbirds are what we might call deadbeat parents. Cowbirds lay their eggs in the nests of other bird species, and the cowbird nes...
