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Black and white Border Collie: Blenheim (Red-brown and white) Cavalier King Charles Spaniel: Piebald or pied (also called bicolor, tricolor, Irish spotted, Flashy, Patched, Tuxedo): any color or pattern coupled with white spotting. This can range anywhere from white toes and tail tip to a mostly white dog with color around the base of the ears ...
The principal registry for Border Collies in the United States is the American Border Collie Association (ABCA), which is dedicated to the preservation of the traditional working dog. [40] The breed was also recognised in 1995 by the American Kennel Club (AKC) after occupying the AKC's Miscellaneous Class for over 50 years.
Schematic anatomy of the ear. In dogs, the ear canal has a "L" shape, with the vertical canal (first half) and the horizontal canal (deeper half, ending with the eardrum) The frequency range of dog hearing is between 16–40 Hz (compared to 20–70 Hz for humans) and up to 45–60 kHz (compared to 13–20 kHz for humans), which means that dogs ...
A group of Labradoodle assistance dogs. This is a list of common dog crossbreeds.These are crossbreed dogs created deliberately by crossing two purebred dogs.Some are known as designer dogs and are bred as companion dogs, often given portmanteau names derived from those of the parent breeds; others are bred to combine specific working qualities inherent in the parent breeds.
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Dogs have about 19,000 genes in their genome [2] but only a handful affect the physical variations in their coats. Most genes come in pairs, one being from the dog's mother and one being from its father. Genes of interest have more than one expression (or version) of an allele. Usually only one, or a small number of alleles exist for each gene.
A study of another Border Collie, Chaser, documented that he had learned the names and could associate them by verbal command with over 1,000 words. [ 129 ] One study of canine cognitive abilities found that dogs' capabilities are similar to those of horses , chimpanzees , or cats . [ 130 ]