Fig. 3
a Bimodal distribution of the percentage of the bathymetric depth achieved at maximum diving depth and the estimated cutoff value between the two distributions (0.87), pelagic and benthic/demersal. b GAM smooth of weekly proportions of each dive type. Shallow dives were those dives that occurred in water column depths of less than 20Â m. Weeks were subsetted such that each week represents a minimum of two individuals. c Corresponding weekly distributions of distance (km) offshore (top, light grey) and bathymetric depths (bottom, dark grey) of all dives performed in each week