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Gray whale and calf, April 2019 | by NOAA Fisheries West Coast
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Gray whale and calf, April 2019

Aerial image of an adult female gray whale and her calf as they migrated north off Central California in April 2019. Images like this are being used to assess the condition of the mothers and the growth of their calves. Image by NOAA Southwest Fisheries Science Center and SR3: SeaLife Response, Rehabilitation and Research, collected using an unmanned octocopter flown at >150ft under NMFS research permit #19091 and MBNMS permit #2017-8.

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Taken on April 23, 2019