| Summary: | Interest in the occurrence of a bird's flight flew into the backgroundthe study of the adaptation of the pelvic fins of birds. It fully concerns both theskeletal elements and the muscular system of the femur leg. It should also benoted that the initial studies of this issue have shown extremely specificcharacteristics of the structural elements of the area of the hip joint. This in turnsuggests that studies of the pelvic fins of birds are relevant and almost not studied.A paticulary important aspect of research of this issue is the establishment of validprinciples and mechanism for the development of the femur of the thigh, taking intoaccount the specific features of locomotion.In this article biomorphological features of the hip joint muscles ofpredantory birds (white–tailed eagle, common buzz, golden eagle, small hawk,merlin, winter path, andy condor, rhino owl, white owl, eary owl, tawny owl,barn owl) are outlined. It was established that the representatives of this seriesof degrees of differentation of muscles of the hip joint area due to the steppingtype of the bipolar locomotion, as well as the biomorphological festures of thestatic, which in turn imposes certain imprints on the degree of development ofeach individual muscle of the hip joint. Also fix points are detailed, presence orabsence of porosity is determined. In addition, in order to determine thedegree of muscles and muscle groups development, each muscle wasweighed. It was found that the extension of muscles of the hip joint of thewhite–tailed eagle requires considerably greater effort than bending, and of thegolden eagle, big hawk, twist and the buzzard, on the contrary, the balgelouding during static and locomotive fulls on the bend.Nightly and daytime predantory birds differ not only in the way of life(night or day),body weight ,but also in various manipulations of the limbs, inpaticular during hunring for the prey, the force of the extremity during theattack and the method of capture by the claws imposing certain imprints on thedevelopment of hip joint bones.Keywords. biomorphology, hip joint, muscles, birds, white–tailedeagle, common buzz, golden eagle, small hawk, goshawk, merlin, winterpath, andy condor, rhino owl, white owl, eary owl, tawny owl, barn owl Interest in the occurrence of a bird's flight flew into the backgroundthe study of the adaptation of the pelvic fins of birds. It fully concerns both theskeletal elements and the muscular system of the femur leg. It should also benoted that the initial studies of this issue have shown extremely specificcharacteristics of the structural elements of the area of the hip joint. This in turnsuggests that studies of the pelvic fins of birds are relevant and almost not studied.A paticulary important aspect of research of this issue is the establishment of validprinciples and mechanism for the development of the femur of the thigh, taking intoaccount the specific features of locomotion.In this article biomorphological features of the hip joint muscles ofpredantory birds (white–tailed eagle, common buzz, golden eagle, small hawk,merlin, winter path, andy condor, rhino owl, white owl, eary owl, tawny owl,barn owl) are outlined. It was established that the representatives of this seriesof degrees of differentation of muscles of the hip joint area due to the steppingtype of the bipolar locomotion, as well as the biomorphological festures of thestatic, which in turn imposes certain imprints on the degree of development ofeach individual muscle of the hip joint. Also fix points are detailed, presence orabsence of porosity is determined. In addition, in order to determine the*Scientific Supervisor – candidate of veterinary sciences N. V. Druzdegree of muscles and muscle groups development, each muscle wasweighed. It was found that the extension of muscles of the hip joint of thewhite–tailed eagle requires considerably greater effort than bending, and of thegolden eagle, big hawk, twist and the buzzard, on the contrary, the balgelouding during static and locomotive fulls on the bend.Nightly and daytime predantory birds differ not only in the way of life(night or day),body weight ,but also in various manipulations of the limbs, inpaticular during hunring for the prey, the force of the extremity during theattack and the method of capture by the claws imposing certain imprints on thedevelopment of hip joint bones.Keywords. biomorphology, hip joint, muscles, birds, white–tailedeagle, common buzz, golden eagle, small hawk, goshawk, merlin, winterpath, andy condor, rhino owl, white owl, eary owl, tawny owl, barn owl
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