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Chapter 13










                                      The Wing: Gunshots












                    III ON SHOOTING BIRDS                                debilitating pain or mechanical interference (Figure
                                                                         13-1). Pellets may also interfere with the opening or
                    Birds are shot for a variety of reasons, some more   closing of hinge or rotary joints, such as the elbow,
                    legitimate than others: Hunters shoot birds for sport,   carpometacarpus, or metacarpophalangeal articula-
                    ranchers dispose of pests, and others simply seek a   tions (Figure 13-2), as well as secondarily impeding the
                    target of convenience. Some shoot birds to have them   action of tendons that regulate the critical control sur-
                    mounted, preferring to view them over mantelpieces   faces of the wing.
                    rather than in the wild. But whatever the reason,
                    people shoot birds, sometimes killing them, sometimes   BB Gun Wounds
                    not.
                       When a bird is shot, it may be killed outright or it   BB gun wounds rarely result in fractures but these
                    may be incapacitated, falling to the earth where it may   ubiquitous projectiles are capable of deeply penetrat-
                    sustain further injuries, which may or may not be fatal   ing the wing and may even enter a joint. BBs, unlike
                    in their own right. Ironically, an injured water bird   lead or alloy shot, are quite hard and rarely become
                    may drown before it can reach shore.                 deformed. BBs are inert under most circumstances, are
                       Once it finds itself earth bound, an injured bird will   disinclined to migrate, and in my experience do not

                    usually take refuge in the nearest cover, where it will   lead to abscesses.
                    remain until it feels compelled to leave in search of
                    food and water. It is in this later circumstance where   Low-Velocity Gunshot Wounds
                    it must potentially contend with its most formidable
                    danger, predators.                                   The most common low-velocity gunshot wounds sus-

                                                                         tained by birds are from 22 caliber rifles. Head, neck,
                                                                         and torso wounds are often fatal. Direct midextremital
                    Shotgun Wounds
                                                                         and upper extremital hits can result in fracture, espe-
                    Radiographically, shotgun wounds appear as one or    cially if the bird is small and shot at short range. More
                    more spherical metallic densities, some of which may   distally situated wounds usually damage feathers and
                    be deformed as a result of striking bone. Fractures may   imbed beneath the skin.
                    result from shotgun wounds.
                                                                         High-Velocity Gunshot Wounds
                    Air Gun Pellet Wounds
                                                                         High-velocity gunshot wounds are more often than
                    Air gun pellets have a distinctive appearance that   not fatal. Distal extremital wounds can be survived,
                    resembles a symmetrically crimped bullet. Although   especially if the bird is not seriously injured in the
                    capable of causing fatal injury, especially at short   subsequent fall. Grazing wounds to the midextremity
                    range, most air gun pellets lodge beneath the skin or   and upper extremity often cause substantial wing
                    in the superficial soft tissue and usually do not cause   damage but lack the knockdown power of a direct hit.

                    fractures. Projectile deformity is exceptional.      Some wounded birds are capable of making a crash
                       Occasionally, air gun pellets become lodged in or   landing of sorts, somewhat resembling that of a par-
                    against complex joints, such as the shoulder, causing   tially disabled helicopter.
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           ch013-A02527.indd   133                                                                                    2/11/2008   10:57:58 AM
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