canaries
Inbred Songbirds Croon out of Tune
Inbred canaries sang songs with less pure tones, and at slightly different pitches, than their outbred cousins—and female canaries seemed to be able to tell the…
Inbred canaries sang songs with less pure tones, and at slightly different pitches, than their outbred cousins—and female canaries seemed to be able to tell the…