A killer whale takes in an unfamiliar sight among the frozen sea ice of McMurdo Sound, Antarctica, while researcher Russ Andrews (Alaska SeaLife Center) sits waiting for the whale to show its dorsal fin so he can attach his satellite tag.




Dr. Russ Andrews (Alaska SeaLife Center) prepares to attach a satellite tag to an adult female killer whale from the frozen sea ice at McMurdo Station, Antarctica.




Dr. Russ Andrews (Alaska SeaLife Center) (with air gun) crouching on the frozen ice in McMurdo Sound, Antarctica, preparing to attach a satellite tag to the dorsal fin of a killer whale.




Researcher, Dr. Lisa Ballance (NOAA Fisheries Service), sitting on frozen sea ice in McMurdo Sound, Antarctica, points to an adult male killer whale with a satellite tag on its dorsal fin.


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