Naming
Bald eagles are common names and Latin name is derived from male bald eagle head Bald eagles are common names and Latin name is derived from male bald eagle head . name in the "on" was one of the old English word "piebald", meaning "black", they are already in their white head, black torso and tail of the name in the "on" was one of the old English word "piebald", meaning "black", they are already in their white head, black torso and tail of the .
name "Haliaeetus leucocephalus" in the" Haliaeetus" is New Latin, means" eagle ", and" leucocephalus". And the word is Latin, meaning "bald" 
Morphological Feature
and most of the prey, the female than the male eagle carved heads, 'why' There are many possibilities for the and most of the prey, the female than the male eagle carved heads, 'why' There are many possibilities for the . Some biologists believe that female carved by the larger of which they can better protect their nests, eggs and small carved Some biologists believe that female carved by the larger of which they can better protect their nests, eggs and small carved .
smaller male eagle soaring up more easily, so they can protect their own turf smaller male eagle soaring up more easily, so they can protect their own turf . female bald eagle has a wingspan of up to 2. 3 meters, the bald eagle's wingspan is only 1. 8 meters
Vision is the bald eagle is one of the most important feeling,Bald eagles good vision so that they can be more easily seen birds of prey refuges Vision is the bald eagle is one of the most important feeling,Bald eagles good vision so that they can be more easily seen birds of prey refuges . outstanding visual in part thanks to its large eyes outstanding visual in part thanks to its large eyes .
To bridge this gap, many bone carving has a long neck, the neck thus can be flexibly movable To bridge this gap, many bone carving has a long neck, the neck thus can be flexibly movable . carved head can be rotated 270 degrees which is three - quarters of a circle carved head can be rotated 270 degrees which is three - quarters of a circle .
like many other birds, the bald eagle's eyes were the size of each zone of the eyelid, called a nictitating membrane like many other birds, the bald eagle's eyes were the size of each zone of the eyelid, called a nictitating membrane . this layer eyelid can keep the eye moist, the tail can wag the dog, eye brows, reflected stimulus this layer eyelid can keep the eye moist, the tail can wag the dog, eye brows, reflected stimulus .
bald eagles, and they appeared very fierce; bald eagles, and they appeared very fierce; . such a protrusion and a nictitating membrane, can be bleached by the sun visor under the eagle eye,- I could be carving out the wind and the dust shield eyes such a protrusion and a nictitating membrane, can be bleached by the sun visor under the eagle eye,- I could be carving out the wind and the dust shield eyes .
eagles flew into trees, break branches of tree section maybe can bounce this tennis ball, protruding brow ridges, can perform the function of protecting eyes carved eagles flew into trees, break branches of tree section maybe can bounce this tennis ball, protruding brow ridges, can perform the function of protecting eyes carved . In addition, the protrusion of the superciliary also carved from struggling prey in the eyes of the injury foot In addition, the protrusion of the superciliary also carved from struggling prey in the eyes of the injury foot .
bald eagle is very strong, can be used to catch and kill their bald eagle is very strong, can be used to catch and kill their . plantar rough like sandpaper plantar rough like sandpaper .
which helped them to the body at the slippery prey such as fish or snakes which helped them to the body at the slippery prey such as fish or snakes . relative to their body size, the eagles of the foot, is really large. There are 15 cm long
eagles have four toes, three before and three, eagles have four toes, three before and three,. toe and one at the rear ends of long curved claws toe and one at the rear ends of long curved claws .
these claws are sharp like knives, the bald eagle is the heaviest artillery available to them than even the carnivorous bird that hooked beak even more dangerous these claws are sharp like knives, the bald eagle is the heaviest artillery available to them than even the carnivorous bird that hooked beak even more dangerous . one of the most powerful is the rear toe and rear claw one of the most powerful is the rear toe and rear claw .
When the eagles capture prey, with its rear claws would be inserted deep into the prey's body, to pierce vital organs like the heart or lungs When the eagles capture prey, with its rear claws would be inserted deep into the prey's body, to pierce vital organs like the heart or lungs . bald eagle after the claw arc length can be up to 7 ~ 8 cm bald eagle after the claw arc length can be up to 7 ~ 8 cm .
Just like every other bird, the bald eagle is no teeth of the Just like every other bird, the bald eagle is no teeth of the . food; they have to swallow a piece by piece, hooked beak for tearing into prey by biting of the eagle claw pieces food; they have to swallow a piece by piece, hooked beak for tearing into prey by biting of the eagle claw pieces .
even failed to 'kill the prey,So from the beak of the eagle pecked also hammered enough results it was even failed to 'kill the prey,So from the beak of the eagle pecked also hammered enough results it was . the eagles have a hollow formed by the skeleton, which fills voids of air the eagles have a hollow formed by the skeleton, which fills voids of air .
carved bone, many of them are condensed or joined together, which makes them exceptionally sturdy carved bone, many of them are condensed or joined together, which makes them exceptionally sturdy . such a framework in which the flight of a good lift them such a framework in which the flight of a good lift them .
carving of a skeleton and its weight is also not feather weight of half carving of a skeleton and its weight is also not feather weight of half . bald eagle tail have a special gland bald eagle tail have a special gland .
when compressed in this gland secretion of an oily liquid, this liquid besmear in the feathers on the when compressed in this gland secretion of an oily liquid, this liquid besmear in the feathers on the . this oil can help keep the feathers waterproof feathers of the bird feathers once this oil can help keep the feathers waterproof feathers of the bird feathers once .
neatly groomed, he shook,Shook loose feathers, other feathers is a thoroughly neatly groomed, he shook,Shook loose feathers, other feathers is a thoroughly . finishing primary feathers takes a long time finishing primary feathers takes a long time .
a healthy adult bald eagles have a plurality of feathers a healthy adult bald eagles have a plurality of feathers . 7000 7000.
Distribution
Bald eagle winters when a certain number will stay Bald eagle winters when a certain number will stay . overwintering from November to February and between one and twenty - two of the only eagles will travel throughout the province of British Columbia's hanging Mies wintering, which is about the journey from Vancouver to Whistler achieved the length of the overwintering from November to February and between one and twenty - two of the only eagles will travel throughout the province of British Columbia's hanging Mies wintering, which is about the journey from Vancouver to Whistler achieved the length of the .
will hang along the river's Mies van der Rohe and Checa Moose River flight, because there are a lot of salmon eggs with will hang along the river's Mies van der Rohe and Checa Moose River flight, because there are a lot of salmon eggs with .
Living Habits
Bald eagles prefer to inhabit the coast, rivers, large lakes nearby, because these areas where there are a lot of fish, for their part are extremely rich in food resources Bald eagles prefer to inhabit the coast, rivers, large lakes nearby, because these areas where there are a lot of fish, for their part are extremely rich in food resources . studies show they prefer to have a perimeter formed in reaction to 11 kilometers of water that is greater than the area of the lakes of 10k is paved for most suited to the breeding of the eagles in bald eagles flying studies show they prefer to have a perimeter formed in reaction to 11 kilometers of water that is greater than the area of the lakes of 10k is paved for most suited to the breeding of the eagles in bald eagles flying .
. That's what they are in gliding wings and could fly at speeds of 56 to 70 kilometres below the surface, if the flight is catching the fish, which is still flying at a speed of 48 km at speeds up to That's what they are in gliding wings and could fly at speeds of 56 to 70 kilometres below the surface, if the flight is catching the fish, which is still flying at a speed of 48 km at speeds up to .
bald eagle is not normally migratory; their territory close to the water they'll find it does not migrate, year - round to stay there.But if their territory is not close to the water; they go in the winter when the southward migration, or migrating towards the coast for the party in a way that leaves in the winter, and can be conveniently made foraging bald eagle selects migration routes which depend on the route of warm, rising air and food resources of the favorable effects of bald eagle selects migration routes which depend on the route of warm, rising air and food resources of the favorable effects of .
in during the migratory period, they could warm up the climb, and then glide down, is used as - is warm, and when some of the bluffs and cliffs is used when the rising air sweeps these in during the migratory period, they could warm up the climb, and then glide down, is used as - is warm, and when some of the bluffs and cliffs is used when the rising air sweeps these . zone in general, they will migrate in the daytime, because the sun can cause warming,help them fly zone in general, they will migrate in the daytime, because the sun can cause warming,help them fly .
the eagles to feed on fish, often by the rivers, lakes or the ocean along the coast of Alaska, is talking of the eagles to feed on fish, often by the rivers, lakes or the ocean along the coast of Alaska, is talking of . in the vicinity of the odd Carter river area, in November of every year migratory salmon during the fishing season, in only 10 miles of the river, could be used to attract only three bald eagles in the vicinity of the odd Carter river area, in November of every year migratory salmon during the fishing season, in only 10 miles of the river, could be used to attract only three bald eagles .
Reproduction
To facilitate fishing eagles nest in river, lake or the sea coast of tree, year by year to build and use the same nest To facilitate fishing eagles nest in river, lake or the sea coast of tree, year by year to build and use the same nest . bald eagles as they make lifelong couples, two female carving of annual production of eggs, the incubation period of 35 days, a small carving of 3 months after leaving nest bald eagles as they make lifelong couples, two female carving of annual production of eggs, the incubation period of 35 days, a small carving of 3 months after leaving nest .
due to independent living and ecology environmental pollution and destruction and laying birds lay their eggs and hatchability drop, adult birds also the survival of threatened Bald eagle due to independent living and ecology environmental pollution and destruction and laying birds lay their eggs and hatchability drop, adult birds also the survival of threatened Bald eagle . 4 to 5 years of age into her sexual maturation stage 4 to 5 years of age into her sexual maturation stage .
when their age has been big enough to breed, they will return to their birthplace to mate when their age has been big enough to breed, they will return to their birthplace to mate . they will mate, but if the "couple" where the party is dead or missing,and the other may be a new spouse | a couple of attempts, but they all failed, they would break apart, than a new mate they will mate, but if the "couple" where the party is dead or missing,and the other may be a new spouse | a couple of attempts, but they all failed, they would break apart, than a new mate .
Bald eagle courtship as they call each other, and then flew together Bald eagle courtship as they call each other, and then flew together . flying in the air, they dive, chasing, and somersaults, to fly at high altitude in the laboratory, and two carving will keep the gripping claws, the free fall, hitting the ground before apart for flying in the air, they dive, chasing, and somersaults, to fly at high altitude in the laboratory, and two carving will keep the gripping claws, the free fall, hitting the ground before apart for .
America's National Bird
Bald eagle is the national bird of the United States of America, the United States it is one of the like, a lot of badges had their portraits to the President of the United States, the coat of arms is a good example Bald eagle is the national bird of the United States of America, the United States it is one of the like, a lot of badges had their portraits to the President of the United States, the coat of arms is a good example . 20 June 1782, the Continental Congress awarded the license to use the portion as the design of the emblem of the United States, including: a bald eagle grasping an olive branch and arrows: the Coat of Arms of 20 June 1782, the Continental Congress awarded the license to use the portion as the design of the emblem of the United States, including: a bald eagle grasping an olive branch and arrows: the Coat of Arms of .
in between 1916 and 1945, the President of the United States flag in the bald eagle is toward the left of the in between 1916 and 1945, the President of the United States flag in the bald eagle is toward the left of the . in the world and in the United States national emblem of the bald eagle would have to be changed to face towards the olive branch, when there is fighting in the United States national emblem of the bald eagle is culverted facing arrows: in the world and in the United States national emblem of the bald eagle would have to be changed to face towards the olive branch, when there is fighting in the United States national emblem of the bald eagle is culverted facing arrows: .
Culture
In some North American cultures, the bald eagle is a sacred bird, they are like the golden eagle, Native Americans of many religions and customs is playing a very important role these In some North American cultures, the bald eagle is a sacred bird, they are like the golden eagle, Native Americans of many religions and customs is playing a very important role these . Native Americans consider eagles to be God and people passing information between the angel of the Native Americans consider eagles to be God and people passing information between the angel of the .
in a Native American Indian dances with the dancers in celebration - - with the bald eagle's claws as they are usually part of the sign in a Native American Indian dances with the dancers in celebration - - with the bald eagle's claws as they are usually part of the sign . in traditional celebrations, people with bald eagle feathers for the throne of logo, fans, the waist cushion and headgear in traditional celebrations, people with bald eagle feathers for the throne of logo, fans, the waist cushion and headgear .
Lakota Indians of the Bald eagle feathers will give as a reward for people who now Lakota Indians of the Bald eagle feathers will give as a reward for people who now .,Bald eagle feathers can be used for other scenes, like the college graduation, one might use the bald eagle feathers ,Bald eagle feathers can be used for other scenes, like the college graduation, one might use the bald eagle feathers .
Furthermore, Lakota also will use the bald eagle bone flute made from Furthermore, Lakota also will use the bald eagle bone flute made from . played on Pawnee, Bald eagle symbolizes fertility because their nests, built in the heights, and they attack when desperate to protect their young played on Pawnee, Bald eagle symbolizes fertility because their nests, built in the heights, and they attack when desperate to protect their young .
In addition, an Indian will use eagles to welcome important guests about the eagle feather law in In addition, an Indian will use eagles to welcome important guests about the eagle feather law in . in the cells as Native American to obtain permission to access the golden eagle or eagle feathers,and can only be used for religious purposes on in the cells as Native American to obtain permission to access the golden eagle or eagle feathers,and can only be used for religious purposes on .
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Present Situation Of Population
Bald eagle is the national bird in 1782 for the United States, the United States outside Alaska that held 10 million bald eagles Bald eagle is the national bird in 1782 for the United States, the United States outside Alaska that held 10 million bald eagles . but the United States after the founding of the People's Republic of China continued to the utilization of land, the bald eagle habitat is rapidly reduced, leading to over - hunting more numbers further decreased but the United States after the founding of the People's Republic of China continued to the utilization of land, the bald eagle habitat is rapidly reduced, leading to over - hunting more numbers further decreased .
1940, Congress passed the bald eagle and golden eagle Protection Act, the ban on hunting and the sale of bald eagles, and bald eagles have been strengthening civil protection propaganda 1940, Congress passed the bald eagle and golden eagle Protection Act, the ban on hunting and the sale of bald eagles, and bald eagles have been strengthening civil protection propaganda . this law was promulgated, the bald eagle is in the early 1940s in most states rebounded shortly after the end of World War II this law was promulgated, the bald eagle is in the early 1940s in most states rebounded shortly after the end of World War II .
,Agricultural production in the United States in the use of DDT and other pesticides, these pesticides enter the food chain via ,Agricultural production in the United States in the use of DDT and other pesticides, these pesticides enter the food chain via . bald eagle, the bald eagle eggshells, softer, and therefore cannot be hatched eaglet bald eagle, the bald eagle eggshells, softer, and therefore cannot be hatched eaglet .
In addition, human activities caused the bald eagle habitat loss gave food to the eagles threat In addition, human activities caused the bald eagle habitat loss gave food to the eagles threat . (1963), the United States mainland only 417 pairs of nesting bald eagles (1963), the United States mainland only 417 pairs of nesting bald eagles .
May 2010, according to "National Geographic" reported that the U.S. national bird, the bald eagle is facing increasingly serious food crisis,DDT and other chemical drugs also make these rare birds to extinction thanks to reintroduction programs, in 2010 there are about 70 adult bald eagles and a dozen chicks live in eight of the Channel Islands, reintroduction programs, in 2010 there are about 70 adult bald eagles and a dozen chicks live in eight of the Channel Islands, .
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Protection Level
In 1973, Congress passed the Endangered Species Act, the U.S. Fish and Wildlife Service in the continental United States in 48 states in the 43 states put the bald eagle is listed as endangered, while in other 5 cases good some of the states, the bald eagle is listed as near - threatened species 1995, bald eagles in 43 states and "endangered species" rated all being changed to a lesser extent the" near - threatened species" 1995, bald eagles in 43 states and "endangered species" rated all being changed to a lesser extent the" near - threatened species" .
2003, continental US numbers have reached 7600 of pairs,than in 1963; increased nearly 20 times 2003, continental US numbers have reached 7600 of pairs,than in 1963; increased nearly 20 times . the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), the eagles are listed in Appendix I the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), the eagles are listed in Appendix I .
