Animal identification

Animal identification using a means of marking is a process done to identify and track specific animals. It is done for a variety of reasons including verification of ownership, biosecurity control, and tracking for research or agricultural purposes.Great frigatebird with a wing tagBird ringSheep with an earmarkPig with earmarkHorse with a brandSanta Gertudis cattle with electronic and non-electronic ear tagsCalf with a non-electronic ear tag, numbered collar and transponder (blue device)Bear with an ear tag and transponderTattoo inside a Greyhound's earDog collar with dog license and other dog tagsA microchip implant and applicatorA laboratory mouse with an ear tagFish with a transponderHarbour seal with a transponderCommon seal with an adhesive tagAfricanised honeybee with a paint spotSheep with painted numberMonarch butterfly tagged with a stickerMussels being tagged Animal identification using a means of marking is a process done to identify and track specific animals. It is done for a variety of reasons including verification of ownership, biosecurity control, and tracking for research or agricultural purposes. Individual identification of animals by means of body markings has been practiced for over 3,800 years, as stated in Code of Hammurabi. The first official identification systems are documented as far as the 18th century. In Uruguay for instance maintained at that time a register of hot brands.