Red-Necked Grebe (Podiceps grisegena) lives in large lakes across Temperate regions of the northern hemisphere. Its conservation status is Least Concern.
Fascinating facts about the Red-Necked Grebe
- Red-necked grebes lay just four or five eggs, but can produce as few as one or as many as nine in a clutch. Each egg averages 3.4 cm wide, 5.1 cm long and weighs about 30.5 g, with a shell that makes up 10 % of its mass. Parents share incubation for 21-33 days, then the downy chicks cling to a parent's back for 10-17 days before they start swimming, and they keep being fed for up to 54 days, finally taking flight at 50-70 days old. This intense parental investment boosts chick survival in a world where only about 0.65 young per adult survive to four months.
- During autumn migration over the Great Lakes, up to 18,000 red-necked grebes funnel through Whitefish Point on Lake Superior, a bottleneck that shows how many Canadian breeders head east to the Atlantic. Even away from that hotspot, staging sites can hold over 2,000 birds at once.
- Red-necked grebes are built for the water: they stay underwater for about thirty seconds on a typical dive, but can extend that when escaping predators. Their lobed feet act like paddles while the short tail provides little steering, so they rotate their legs to change direction. This rapid, short-duration diving lets them chase insects and fish while staying out of sight of aerial hunters.
- The species occupies a massive 1-10 million km² range and numbers between 150,000 and 370,000 individuals worldwide, with the North-American subspecies roughly twice as common as its European counterpart. Such a broad distribution and numbers keep it in the IUCN's Least Concern category.
- Unlike most birds, a red-necked grebe's feet sit far back near the tail, making it clumsy on land and forcing it to launch from water. Its small wing area can't generate lift from a standstill, so the bird must sprint across the surface, building speed before it can lift off.
Sources
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At a glance
RangeTemperate regions of the northern hemisphere
HabitatLarge lakes
DietFish and insects
About the Red-Necked Grebe
In the tranquil realms of northern wetlands, the Red-Necked Grebe glides effortlessly, its sleek, slate-grey body slicing through the water with barely a ripple, as if propelled by an unseen force. With each stroke of its powerful legs, it seems to embody the very essence of fluid motion, its bright red neck patch flashing like a fiery ember as it dives and weaves in pursuit of aquatic prey. As it rises to the surface, water droplets clinging to its feathers like a thousand tiny diamonds, the Red-Necked Grebe's serene and enigmatic presence is a testament to the beauty and wonder of the natural world.
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