Photo of the Day
How to Whale
In Mexico's Revillagigedo Islands, a humpback whale mother teachers her calf how to breathe and control its buoyancy. Humpback whale calves are born already weighing one ton, and they'll nurse for a year—averaging 160 gallons of their mothers' milk a day. This photo was submitted to Your Shot, our photo community on Instagram. Follow us on Instagram at @natgeoyourshot or visit us at natgeo.com/yourshot for the latest submissions and news about the community.