Ticket #3779 (new)

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How to LEGALLY “Erase” serial numbers from guns

Reported by: "Erase Serial Numbers" <SecondAmendmentEssentialsHandbook@…> Owned by:
Priority: normal Milestone: 2.11
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How to LEGALLY “Erase” serial numbers from guns



tinguishes them from other pecorans. Male horn development has been linked to sexual selection, while the presence of horns in females is likely due to natural selection. The horns of females were usually smaller than those of males, and were sometimes of a different shape. The horns of female bovids were thought to have evolved for defense against predators or to express territoriality, as nonterritorial females, which were able to use crypsis for predator defense, often do not have horns.

Rhinoceros horns, unlike those of other horned mammals, only consist of keratin. The horns rest on the nasal ridge of the animals skull.

Antlers were unique to cervids and found mostly on males: only caribou and reindeer have antlers on the females, and these were normally smaller than those of the males. Nevertheless, fertile does from other species of deer have the capacity to produce antlers on occasion, usually due to increased testosterone levels. Each antler grows from an attachment point on the skull called a pedicle. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone. Antlers were considered one of the most exaggerated cases of male secondary sexual traits in the animal kingdom, and grow faster than any other mammal bone. Growth occurs at the tip, and is initially cartilage, which is mineralized to become bone. Once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler. In most cases, the bone at the base is destroyed by osteoclasts and the antler
 s fall off at some point. As a result of their fast growth rate, antlers were considered a handicap since there is an incredible nutritional demand on deer to re-grow antlers annually, and thus can be honest signals of metabolic efficiency and food gathering capability.

Ossicones were horn-like (or antler-like) protuberances that can be found on the heads of giraffes and male okapis today. They were similar to the horns of antelopes and cattle, save that they were derived from ossified cartilage, and that the ossicones remain covered in skin and fur, rather than horn. Antlers (such as on deer) were derived from bone tissue: when mature, the skin and fur covering of the antlers, termed "velvet", is sloughed and scraped off to expose the bone of the antlers.

Pronghorn were unique when compared to their relatives. Each "horn" of the pronghorn is composed of a slender, laterally flattened blade of bone that grows from the frontal bones of the skull, forming a permanent core. As in the Giraffidae, skin covers the bony cores, but in the pronghorn it develops into a keratinous sheath which is shed and regrown on an annual basis. Unlike the horns of the family Bovidae, the horn sheaths of the pronghorn were branched, each sheath possessing a forward-pointing tine (hence the name pronghorn). The horns of males were well develop

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