Humpback whales gather every year in Mexico's Revillagigedo Archipelago. Mothers give birth to young while males arrive to mate. This mother and newborn calf allowed an inspiring interaction with ... more 
Humpback whales gather every year in Mexico's Revillagigedo Archipelago. Mothers give birth to young while males arrive to mate. This mother and newborn calf allowed an inspiring interaction with divers and snorkelers. The mother calmly hovered at 40 feet while the baby played. In this image the baby mouthed the mother's ventral side. (Photo and caption Courtesy David Valencia / National Geographic Your Shot)

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Mon, Feb 25, 2013 2:00 PM EST