Some birds like ducks, geese, and other waterfowl can be seen sleeping on or near their roosting pond, propped up on one leg, positioned in a way that the body is balanced without much additional muscle activity. To avoid predators, most ducks often seen sleeping on the water, with their head cranked around backwards and nestled into their feathers, to keep their bill warm.
Like the old adage, if you think you're in danger, you should sleep with one eye open, ducks also have a tendency of sleeping in a row in which the ducks on both ends sleep with one eye open, watching out for any dangers that lurk.
"It could be pretty grim," says California's chief of snow surveys, looking toward the summer months. During one of the worst droughts in centuries, st... More "It could be pretty grim," says California's chief of snow surveys, looking toward the summer months. During one of the worst droughts in centuries, state officials are concerned. The snowy stockpile of water in the Sierra Mountains is the state's real reservoir, supplying about a third of the water used by farms and cities when it melts each spring and early summer. National Geographic followed California’s top snow surveyor on a recent snow inspection, and he's sounding the alarm.
Date 21 hrs ago, Duration 3:19, Views 2877
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