![]() As a consequence, grebes swim under water more easily than ducks, which must work hard to keep from popping back up to the surface. It can squeeze out the air trapped in its feathers and internal air-sacs, and sink effortlessly. The grebe, however, is the master of its own buoyancy. When ducks dive under the water, they must leap forward and stroke powerfully with their feet to overcome their inherent buoyancy. ![]() Suddenly the grebe begins to sink, inch by inch, like a submarine-until it disappears! Thirty seconds later, it reappears, just its head above the water, peering left and right. Picture a Pied-billed Grebe, dressed in brown, about a foot long, floating like a cork among lily pads. In addition to its distinctive voice, the small, nondescript Pied-billed Grebe has an even more astonishing talent. Well, actually we’re hearing the Pied-billed Grebe, a common resident bird of freshwater lakes and ponds. BirdNote episodes air daily on public radio stations nationwide.ĭoes this song evoke an old jungle movie? This audio story is brought to you by BirdNote, a partner of the National Audubon Society. Find Ways to Get Involved for Earth Month.AUDUBON BIRD GUIDE Search for Birds in Your Area.Visit Our Guide To North American Birds. ![]()
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