The handy-dandy kitchen device.
Abramson
P R
PR
Pinkerton
S D
SD
D000818:Animals; D001001:Anura / Q000235:genetics* / Q000502:physiology; D005075:Biological Evolution; D008297:Male; D012641:Selection, Genetic; D012726:Sexual Behavior, Animal; D014828:Vocalization, Animal