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IssuesEnvironmental IssuesEssentialsAll About Global Warming10 Ways You Can Reduce Global WarmingIs Global Warming a Hoax?Larry West's Environmental Issues BlogFrom Larry West,Your Guide to Environmental Issues.Douglas Inkley, a senior scientist at the National Wildlife Federation, after U.DDT reduced the number of bald eagles to 417 breeding pairs in the continental United States.Bald eagle recovery was also helped by the 1972 ban on DDT.As a result, environmentalists say they believe bald eagle populations will continue to grow.What a wonderful way to celebrate this Fourth of July."The rescue of the bald eagle ...He thought the turkey, not the eagle, should be the U.For my own part I wish the Bald Eagle had not been chosen the Representative of our Country.He does not get his Living honestly.Bird of Courage, and would not hesitate to attack a Grenadier of the British Guards who should presume to invade his Farm Yard with a red Coat on.Many others took a harsher stance.For years, many people considered eagles both a dangerous predator and an aggressive scavenger that should be eliminated whenever possible.Bald eagles were shot from airplanes, poisoned legally in some states, and hunted for their feathers.In 1940, Congress passed a law that made killing a bald eagle illegal, but at about the same time DDT was being widely used to control mosquitoes.The damage to the bald eagle population was devastating.Things began to turn around for the bald eagle after DDT was banned in 1972 and the Endangered Species Act provided additional safeguards, all leading eventually to the current recovery.Declares Bald Eagles No Longer Threatened (The Washington Post)
U.Loving Las VegasThe Best Vegas EventsHealthy Eats in VegasVegas Outlet ShoppingVisiting Hoover DamRenting Cars in Town What's HotAmerican Streetcar ScandalGetting Too Much Fluoride?Top Environmental StoriesChernobyl Nuclear AccidentWhy Eat Locally Grown Food?The bald eagle is a large, powerful, brown
bird with a white head and tail.The bald eagle was made the national bird of the
United States in 1782.Why was the bald eagle chosen as our national
symbol?For six years, the members of Congress engaged in a dispute
over what the national emblem should be.In 1967, the bald eagle was included on the Endangered Species List.Federal laws, such as the Bald Eagle Protection Act, protect
the bald eagle and have led to the recovery of bald eagle populations.Read laws protecting bald eagles in the U.Code (Title 16, Chapter 5a).Bald and Golden Eagle Protection Act.Endangered Species Act of 1973 was enacted.Act and Migratory Bird Treaty Act.Today, the bald eagle is also an example of an environmental success story.Wildlife Service
In the 1960s, only about 400 breeding pairs of bald eagles remained in the lower 48 states.Now, thousands of bald eagles soar U.Congress may soon remove them from the list of endangered and threatened species.However, scientists are still debating whether this change ought to occur.Endangered species
Trouble for bald eagles and other birds began when farmers began to use a chemical called DDT, which protected crops from insects but also killed birds and made the shells of their eggs dangerously thin.Wildlife Service
A law called the Endangered Species Act (ESA) also helped.Cat Lazaroff of the law firm Earthjustice.It also illustrates how science and the law can team up to battle environmental problems.Organizations such as Earthjustice sometimes go to court to stop construction projects if scientists believe that development will put an endangered species at risk.For the bald eagle, there's no guarantee of continued population growth, says Bryan Watts.One problem is land development.Wildlife Service
Eagles prefer to build nests along coastlines, Watts says, often in the same places where people want to live too.If we look 50 years down the road, we're concerned that .Watts also worries that taking bald eagles off the list might reduce scientific interest in the species.Monitoring populations
Yearly monitoring has shown that a bald eagle needs to have an average of 0.Now, the average is a healthy 1.In May, these researchers swoop into the canopy to count eggs.Fish and Wildlife Service is accepting comments about the proposal to remove bald eagles from the endangered species list until May.Wildlife Service
Through the Eagles Forever!You can also enter a contest by writing a story or drawing a picture about why you think eagles are important to the United States.The winner in each category will win a trip for four to Washington, D."Please provide a valid email address!"Some additional
information, paraphrased from other sources, is included here.The bald eagle, our national symbol, is listed
as endangered under the Endangered Species Act in 43 of the lower
48 states and listed as threatened in Michigan, Minnesota,
Oregon, Washington, and Wisconsin.However, bald eagles have
improved greatly in numbers, productivity, and security in recent
years.Females are larger, some reaching 14 pounds and having a wingspan
of up to 8 feet.The distinctive
white head and tail feathers appear only after the bird is 4 to 5
years old.They mate for life and build
huge nests in the tops of large trees near rivers, lakes,
marshes, or other wetland areas.Nests are often reused year
after year.With additions to the nests made annually, some may
reach 10 feet across and weigh as much as 2,000 pounds.Although
bald eagles may range over great distances, they usually return
to nest within 100 miles of where they were raised.Bald eagles normally lay two to three eggs once a year and
the eggs hatch after about 35 days.The staple of most bald eagle diets is fish, but they will
feed on almost anything they can catch, including ducks, rodents,
snakes, and carrion.Wildlife experts believe there may have been 25,000 to as
many as 75,000 nesting bald eagles in the lower 48 states when
the bird was adopted as our national symbol in 1782.By the early
1960s there were fewer than 450 bald eagle nesting pairs in the
lower 48 states.Bald eagles have few natural enemies.Those conditions have changed over much of the
bald eagle's former habitat.Meanwhile, these birds of prey became prey themselves.Although primarily fish and carrion eaters, bald eagles and other
raptors were seen as marauders that killed chickens, lambs, and
other domestic livestock.In 1940, noting that the national bird was "threatened with
extinction," Congress passed the Bald Eagle Protection Act which
made it illegal to kill, harass, possess (without a permit), or
sell bald eagles.The greatest threat to the bald eagle's existence arose from
the widespread use of DDT and other pesticides after World War
II.DDT was sprayed on croplands throughout the country and its
residues washed into lakes and streams.The contaminated fish, in turn, were consumed by bald
eagles.As a result, bald eagles and
many other bird species began laying eggs with shells so thin
they often broke during incubation or otherwise failed to hatch.As the dangers of DDT became known, in large part due to Rachel
Carson's famous book Silent Spring, this chemical was banned for
most uses in the United States in 1972.Fish and Wildlife Service assembled the
largest colony of breeding bald eagles in captivity at its
Patuxent Wildlife Research Center near Laurel, Maryland, in a
major effort to return healthy eagles to the wild (the center is
now run by the National Biological Survey).Patuxent's scientists enhanced the species' breeding
potential by removing the bald eagle's first clutch of eggs and
incubating them artificially.The bald eagles would usually then
lay a second clutch, which the birds were allowed to incubate
themselves.In all, 124 bald eagles were hatched at Patuxent.Some states continue reintroduction efforts, and two methods
are generally used.The "foster
parents" readily adopt the chicks and raise them as their own.Another method, called hacking, is a procedure adapted from
the sport of falconry.The eaglets are kept in an
enclosure and fed by humans who stay out of sight.With these and other recovery methods, as well as habitat
improvement and the banning of DDT, the bald eagle has made a
remarkable comeback.This represents a substantial
breeding population.In the last few years, several states have
had breeding bald eagles for the first time in years.While
habitat loss still remains a threat to the bald eagle's full
recovery, most experts agree that it is making encouraging
progress.This Site Established on 20 November
1994.United States, according to a new U.The analysis was based on 101,777 eagle sightings during 5,180 surveys of 563 routes in 42 states.Estimated count trends varied by region.In the Northeast, eagle numbers increased 6.The proportion of survey routes with increasing counts was higher in the North and in the East.The new USGS analysis confirms other findings that bald eagle populations in the United States are increasing.Most likely, this difference is because winter counts include bald eagles that nest in Canada and Alaska, where populations may not be increasing at the same rate as populations in the conterminous U.The bald eagle, unique to North America, has been the national symbol of the United States for 201 years, ever since Congress chose the bird as a fitting symbol of the new country in 1782.The decline of the bald eagle throughout its range was largely the result of DDT residue accumulation in fish, which the eagles ate.Pesticide contamination caused thinning of eggshells, resulting in premature egg breakage and death of the embryo, as well as in the poisoning of adults.Declines associated with pesticides during the 1950s may have been more severe in the Northeast than in other parts of the country and may be the reason counts are increasing more there than elsewhere in the country.Warmer winters mean that eagles have readier access to water that remains unfrozen, reducing their need to migrate south.Additionally, she said, the rapid human population growth in the South and West, as reported in the 2001 U.Most survey participants are employees of state or federal conservation agencies, but private volunteers also participate in the survey.The National Wildlife Federation started the annual survey in 1979, one year after the bald eagle was listed under the Endangered Species Act as Threatened in 5 states and endangered in 43 states.In 1995, the bald eagle was reclassified as Threatened throughout the lower 48 states.Proposals to remove the bird entirely under the ESA are pending.The USGS serves the nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life.Subscribe to receive the latest USGS news releases.Decades after hovering on the brink of extinction, the bald eagle is continuing its historic comeback."It means that all the work to rehabilitate them has been worthwhile.But through the years, after being shot at by farmers and poisoned by the pesticide DDT, only 417 nesting pairs were left in the lower 48 states by 1963.World War II, according to federal estimates."It's a fantastic environmental story," said Nicholas Throckmorton, spokesman for the U."The American people really wanted this to happen."The banning of DDT certainly helped.Congress took action, passing both the Bald Eagle Protection Act and Migratory Bird Treaty Act.Eventually, DDT was banned and the Endangered Species Act was created.Bald eagles were among those put under its protection.Over time, the bald eagle population grew, and the bird went from endangered to threatened about a decade ago.The bald eagle is celebrated in parts of Texas, especially in Rains County, which the Legislature has designated "The Eagle Capital of Texas."Many of the breeding pairs migrate to the southeast part of the state, along the coast.Wintering, or nonbreeding populations, tend to roost in parts of the Panhandle and Central and East Texas, according to the Texas Parks and Wildlife Service.But Morris said she fears that it may be too soon to remove the bald eagle from the list.Nesting pairs use the same nest year after year.Usually two eggs are laid at a time.Diet is largely fish but the eagle will eat small animals, waterfowl and carrion.Suite 303, Glenview, IL 60025, USA.Is Aging Caused by a Bunch of Genetic Typos?What year was the helicopter invented?Perhaps you can find what you're looking for in our Site Index.In any case, you can get back on track by heading to the Discovery.The government will confirm that when it takes the revered bird off a list of protected species.There were once believed to be as many as a half million bald eagles in North America, predating the Europeans' arrival.The Interior Department has been mulling over what to do about the bald eagle for eight years since government biologists in 1999 concluded its recovery had been a success.Earlier this year, a federal court directed Interior to make a decision on the bird's status by this Friday, acting in a lawsuit by a Minnesota man who complained the government's delays kept him from developing seven acres that included an eagle's nest.Conservationists called the eagle recovery a vindication of the 1973 Endangered Species Act, which has been under attack from property rights and business groups, and the subject of internal review at the Interior Department.Environmentalists worry changes in implementing the law will make it harder keep plants and animals from disappearing, especially ones lacking the symbolism of the bald eagle.John Kostyack of the National Wildlife Federation, called the eagle resurgence ''truly one of America's great wildlife success stories'' that shows the federal law is needed and can work.Alaska, poisoned in some states and fed to hogs in others.Congress passed a law in 1940, still on the books, that made killing a bald eagle illegal.But the bird's decline accelerated, thanks to DDT, the insecticide that began to be widely used in the 1940s to control mosquitoes.DDT seeped into lakes and streams and into fish, the eagle's favorite food, harming adult birds and their eggs.Seeing a bald eagle in the mid '70s was a big deal,'' he said Wednesday.It was something you really looked forward to seeing.Now, to be honest, bald eagles are pretty common.Copyright 2007 The Associated Press.This material may not be published, broadcast, rewritten or redistributed.
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