POTD 4/15/26
RESTING - A pair of Ring-necked Ducks tuck their heads and rest on the water. Ducks frequently sleep on the water to stay safe from land predators. To stay safe they can sleep with one eye open and half their brain alert, a behavior called unihemispheric sleep.
Comments
Bill N(non-registered)
Nice shot. Whales and dolphins do the same.
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© Paul Willis Photographs