Bauer, Gordon B.; Colbert, Debborah E.; Gaspard III, Joseph C.; Littlefield, Brandie; Fellner, Wendi
(International Society for Comparative Psychology, 2003)
In Experiment 1 underwater visual acuity was assessed in two Florida manatees, Trichechus manatus latirostris, using grating stimuli in three conditions: Vertical gratings presented in freshwater, vertical gratings in ...