A grey whale, Eschrichtius robustus, flips its tail in the... - David Bacon, DNB110317.jpg

A grey whale, Eschrichtius robustus, flips its tail in the air (a flook as it dives beneath the surface of the Laguna de San Ignacio (San Ignacio Lagoon), a marine ecoreserve where they migrate to calve every year. El Vizcano Biosphere Reserve, Mexico - David Bacon - 2011-02-12
 
 
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