National Animal Identification System will put small farmers out of business, by requiring that farmers pay the cost of registration devices of between $1 and $20 for each animal. Large, corporate factory farms which are connected to vertically integrated, birth-to-death factory systems ID and pay by the herd (and not the individual animal), while small farmers must pay it for each animal. The National Animal Identification System covers most livestock species, including cattle, poultry, horses, donkeys, mules, sheep, goats and swine, as well as bison, deer, elk, llamas, alpacas and even some fish species, under the heading of aquaculture. Household pets such as cats
Animal echolocation extremely narrow beams and many receivers to localize a target (multibeam sonar), animal echolocation has only one transmitter and two receivers (the ears) positioned slightly apart. The echoes returning to the ears arrive at different times and at different loudness levels, depending on the position of the object generating the echoes. The time and loudness differences are used by the animals to perceive distance and direction. With echolocation, the bat or other animal can see not only where it is going but also how big another animal is, what kind of animal it is, and other features.. At the most