Clicking for supper.
When close to prey, porpoises actively widen their sonar beam, which may make it harder for the prey to escape.
School of Biology, University of St. Andrews, St. Andrews, United Kingdom.
Peter
P
Tyack
D000825:Animal Structures / Q000502:physiology*; D000818:Animals; D002685:Chiroptera / Q000502:physiology*; D004455:Echolocation / Q000502:physiology*; D005260:Female; D008297:Male; D050741:Phocoena / Q000502:physiology*; D014828:Vocalization, Animal / Q000502:physiology*
Phocoena phocoena; beam directionality; buzz; convergent evolution; echolocation; ecology; neuroscience; prey capture