He began his talk with why raptors migrate and why Hawk Mountain is a hot spot for watching these hawks migrate. Inadequate quantities of food are the main reason these North American hawks leave their native and breeding terrain in the winter months. The reason why the migrating raptors do not inhabit permanently these southern and more favorable, climate wise, lands is due to an increase of hawk concentration and competition which leads to less prey to go around. Other reasons for migrating back to their breeding territory include a lower parasite and predator population and increased daylight period for hunting. Migration within a species is dependent on that particular species. In several species every individual migrates, in others some migrate and other hawks remain year round, these are calle

Falcons have streamlined pointed wings and an extended, squeezed together, narrowed tail. Falcons include the peregrine falcon or duck hawk, which can reach a length of 15 to 20 inches. Peregrine are crow-sized, flap more than other flacons, and have a black cap and a black moustache. The merlin or pigeon hawk can attain a length of 10 to 13 inches, have a vertically streaked breast, and they are the only small falcon with an absence of red in the tail and a lack of head patterns. The kestrel or sparrow hawk, which can reach a length of 9 to 12 inches, is the only falcon with a light brown tail. The march hawk has extended wings, that are rounded not pointed, and tail with a white rump in a plumages. The march hawk can reach a length of 18 to 24 inches. The osprey or fish hawk can reach a length of 21 to 24 inches and is the only hawk that flies with a kink in the wings and has and an all white belly with black wrists. The gyrfalcon, which can attain a length of over 2 feet is larger than a peregrine hawk and rarely migrates.

Other broad winged species consist of eagles and turkey vultures. The golden eagle's gliding posture is dihedral, has an S shaped curve of the wing, and a head that is much shorter than the tail. As an adult, the golden eagle looses its light markings on the base of the tail and near the end of the wings in order to be replaced by an all-dark coat of feathers. The bald eagle glides with a flat posture, have a flat wing confirmation, and a head and neck that are virtually as long as the tail. The immature bald eagle looses its all-dark coat lining with the exception of a few light feathers to achieve the all white head and all white tail of the adult. The turkey vulture can reach a length of 27 to 32, which is eagle sized, and have a head and neck that are bare and red colored. The turkey vulture has a strikingly dihedral confirmation of the wings and flies by rocking its great body through the atmosphere. All of the birds listed above are considered soaring migrants, which depend upon thermals and updrafts to travel long distances. Raptors slope soar by gliding along the updraft to stay a flight for miles with minimum effort. Raptors u

Some common words found in the essay are:
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Approximate Word count = 1479
Approximate Pages = 6 (250 words per page double spaced)