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Flamingo Gifts

Flamingos often stand on one leg, the other tucked beneath the body. The reason for this behavior is not fully understood. Some suggest that the flamingo, like some other animals, has the ability to have half of its body go into a state of sleep, and when one side is rested, the flamingo will swap leg and then let the other half sleep, but this has not been proven. Recent research has indicated that standing on one leg may allow the birds to conserve more body heat, given they spend a significant amount of time wading in cold water.

African Flamingos

As Lake Nakuru dries up, Kenya's flamingos vanish. The elegant birds once numbered a million; now, 30,000.

Lake Nakuru National Park, Kenya - The famous flamingos of Nakuru are fading away.

The spindly, exquisite birds - clouds of pink rising on a million wings in generations of tourist photographs - are dying, flying off, fleeing a seemingly fatal brew of environmental threats in a shrinking Lake Nakuru, the home that has sheltered them for uncounted centuries.

Where just six years ago as many as a million flamingos fed in Nakuru's shallows, in vast rosy carpets of plumage, hooked beaks and curved necks, today as few as 30,000 stay-behinds hug the equatorial lake's receding shoreline. The carcasses of hundreds of dead flamingos litter newly dried and caked sections of lakebed.

Nakuru, whose recent maximum size was less than 20 square miles, may have lost half its water in the past few years.

"Something must be done," says Jackson Kilonzo, manager of Lake Nakuru Lodge. "People have to come together and decide to do whatever it takes to bring the water level back up."

Precisely why the shallow lake and its flamingo population are shrinking remains a complex question.

The water catchment area around Nakuru has been heavily deforested, and its rivers are running dry. Years of drought have further reduced the water supply. African temperatures, like global temperatures, are rising. Sewer and industrial runoff from nearby Nakuru town pollute the lake. And its blue-green algae, the flamingos' food, has diminished with the lake.

The U.N. Environment Program will soon undertake a comprehensive Lake Nakuru study.

"It won't be easy to pin down a complexity of issues that ultimately might be the causes," says the Nairobi-based agency's Nehemiah Rodich, a former director of the Kenya Wildlife Service.

The flamingo, to many, symbolizes Africa as much as the lion or rhino.

Ancient Egyptians revered the impossibly graceful bird.

In her classic 1938 memoir, Out of Africa, later made into a movie, Karen Blixen tells of a vast flamingo flock alarmed by duck hunters:

At the first shot they rise in a cloud, like dust from a beaten carpet; they are the color of pink alabaster.

Such sights have drawn 200,000 visitors a year to Lake Nakuru, long home to what was believed to be the bulk of the worldwide population of lesser flamingos, one of two species (the other is greater flamingos), inhabiting Nakuru, in the Rift Valley 100 miles northwest of Nairobi.

Paul Opiyo, deputy warden of Lake Nakuru National Park, questioned a recent report in the Nairobi newspaper the Nation that the flamingo population had dropped to 30,000.

"There's slightly more than that," he says, although he offered no current official figures.

Many birds are known to have relocated to other Rift Valley lakes that, like Nakuru, are heavily alkaline, waters hospitable to blue-green algae growth.

But those lakes are shrinking too, and Rodich said mass flamingo deaths have been reported at nearby Lake Oloidien.

"There's a problem with the algae," says Opiyo. "If the lake is shrinking, there will be less food for the flamingos."

The park deputy said a smaller Lake Nakuru presents another problem: toxic urban runoff becomes more concentrated in less water.

Many flamingos have developed sores on their legs because of pollutants, he says. "We're working to clean up a sewage treatment plant."

Lake Nakuru - mean depth 8 feet - has shrunk before, even disappeared. But this time may be different as a result of global warming.

"The lake is threatened by deforestation and other problems," says U.N. Environment Program spokesman Nick Nuttall, "with a climate signature on top of that." The shallowness of many Rift Valley lakes makes them vulnerable as temperatures rise and more water evaporates.

Ringed by big spreading acacia trees and grasslands where zebra, waterbuck and rhinoceros browse, Lake Nakuru is slowly pulling back toward its center, leaving a whitish, salt-encrusted rim several hundred yards wide at some points. Die-hard flamingos retreat with the water, their muted honks breaking a haunting afternoon silence.

Where will it end?

"The life of the flamingo depends on the water level, and we haven't had reliable rainfall for years," says Kilonzo, the lodge manager. "Tourism is the lifeline of this area. Without the lake and the flamingos, our lifeline is threatened."

About Author
Charles J. Hanley writes for the Associated Press




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