. Cetaceans of the Channel Islands National Marine Sanctuary / prepared for National Oceanic and Atmospheric Administration, Channel Islands National Marine Sanctuary and NOAA, National Marine Fisheries Service by Stephen Leatherwood, Brent S. Stewart, Pieter A. Folkens. Whales California Channel FIGURE 25. A group of Risso's dolphins seen from aircraft off San Nicolas Island in August 1979. (Photo courtesy Hubbs Marine Research Center.). FIGURE 24. Risso's dolphins, absent or scarce in the SCB during cold water periods, are relatively abundant when warm water currents dominate. Thei
. Cetaceans of the Channel Islands National Marine Sanctuary / prepared for National Oceanic and Atmospheric Administration, Channel Islands National Marine Sanctuary and NOAA, National Marine Fisheries Service by Stephen Leatherwood, Brent S. Stewart, Pieter A. Folkens. Whales California Channel FIGURE 25. A group of Risso's dolphins seen from aircraft off San Nicolas Island in August 1979. (Photo courtesy Hubbs Marine Research Center.). FIGURE 24. Risso's dolphins, absent or scarce in the SCB during cold water periods, are relatively abundant when warm water currents dominate. Thei movements, both local and long distance, are thought to be related to movements of pelagic squid. (Photo by P. C. Howorth.) 19. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Leatherwood, Stephen; Stewart, Brent Scott; Folkens, Pieter A; Channel Islands National Marine Sanctuary (Agency : U. S. ); United States. National Marine Fisheries Service. Santa Barbara, Calif. : The Sanctuary
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