Gray Whale Health Update (1:25 min)
Marine Biologist Wayne Perriman of the Southwest Fisheries Science Center explains how visual surveys have helped researchers learn more about gray whale populations. Watch to learn how sea ice in the Arctic affects the health of migrating gray whales and the number of calves seen each year.
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Gray Whale Health Update
Length: 1:25 min -
Meet the Gray Whale
Length: 0:58 min -
Gray Whale Conservation
Length: 1:52 min
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