![]() Despite being morphologically less well adapted to quicker flight than golden eagles, especially during dives, the bald eagle is thought to be extremely agile in flight. It dives at a speed of 120–160 km/h and rarely dives vertically. When gliding and flapping, it can achieve speeds of 56–70 km/h, and about 48 km/h when hauling fish. The culmen is 3–7.5 cm long, and the bill is 7–9 cm long from gape to tip.Īlaskan eagle bills can be up to twice as long as those of southern birds, with mean culmen lengths of 6.83 cm and 4.12 cm from these two areas, respectively.Ī strong flier, the bald eagle soars on thermal convection currents. The tarsus measures 8 to 11 cm in length and the tail measures 23–37 cm. An outsized Alaskan adult female eagle weighed around 7.4 kg. A survey of adult American bald eagles in Alaska found that females weighed 5.35 kg on average and males weighed 4.23 kg, compared to immatures who weighed 5.09 kg and 4.05 kg, respectively. The largest eagles are found in Alaska, where huge females can weigh up to 7 kg and have a wingspan of 2.44 m. The bald eagles which spend their winters in Arizona are found to average 4.74 kg which is because the winter weights of bald eagles are typically the highest throughout the year, as many raptors spend the majority of their time foraging in the winter. The average weight of migrant bald eagles in Glacier National Park was found to be 4.22 kg. The bald eagles from Florida have an average weight of 4.13 kg which is more than the bald eagles from South Carolina. South Carolina bald eagles are smaller than their northern counterparts, weighing 3.27 kg and having a wingspan of 1.88 m. The bald eagle size varies by location and generally follows Bergmann's rule, as the species grows larger as it moves away from the Equator and the tropics. Females are around 25% larger than males, averaging 5.6 kg vs 4.1 kg for males. The average bald eagle weighs between 3 and 6.3 kg. The average bald eagle wingspan is between 1.8 and 2.3 metres. The bald eagle's body length ranges from 70 to 102 cm or 2.5 to 3 feet. The California condor, a New World vulture that is no longer regarded as a taxonomically of real accipitrids, is the only larger raptor-like bird.įurthermore, the bald eagle's close cousins, the slightly longer-winged but shorter-tailed white-tailed eagle and the overall larger Steller's sea eagle may occasionally migrate from Asia to coastal Alaska. The bald headed eagle is commonly referred to as North America's largest real raptor. The golden eagle has a more solid warm brown colour than an immature bald eagle, with a reddish-golden patch on its nape and a very contrasted pair of white squares on its wing when seen up close.Ī black, yellow-tipped beak distinguishes the immature bald eagle from the mature bird, whereas the mature eagle has a totally yellow beak. The bald eagle is distinguished from the golden eagle, North America's only other large, non-vulturine raptorial bird, by its larger, more projecting head with a larger beak, straighter edged wings that are held flat and with a sharper wing beat, and feathers that do not entirely cover the legs. Until the fifth year, when it reaches sexual maturity, the immature plumage is a dark brown with untidy white striping. With a yellow cere, the beak is big and hooked. The hind toe's highly developed talon is utilised to puncture the critical parts of prey while the front toes keep it motionless. ![]() The toes are small and powerful, with big talons, and the legs are featherless. The beak, feet, and irises are all vibrant yellow. Males and females have the same plumage colouring, however, there is sexual dimorphism in the species, with females being 25% larger than males. The tail is medium in length and fashioned like a wedge. In this section, we will understand the basic description of bald eagle such as body colour, beak and feet colour, bald eagle size, how long is a bald eagle and how tall are bald eagles in feet.Īn adult bald eagle's plumage is uniformly dark brown with a white head and tail. Physical Description of American Bald Eagle The bald eagle species name is Haliaeetus leucocephalus. The family of the bald eagle is Accipitridae. ![]() They belong to the order Accipitriformes. The bald eagle belongs to the kingdom Animalia. In this section, we will understand the scientific classification of American bald eagle species. ![]() The bald eagle is the United States of America's national bird. It prefers to be near vast quantities of open water with plenty of food and old-growth trees to nest in. The moniker "bald eagle" comes from an ancient meaning of the phrase "white-headed." The majority of Canada and Alaska, as well as the whole contiguous United States and northern Mexico, are all within its range. It's a marine eagle with two subspecies and a species partnership with the white-tailed eagle. The bald eagle is a North American bird of prey.
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