A long dog (also long-dog or longdog) is any dog of sighthound type, whether pure-bred or not.
[1][2] It is usually a cross-breed between two sighthounds of different breeds, one of which is usually a Greyhound[3][1] It is distinct from the lurcher, which is a cross between a sighthound and a working dog, usually a terrier or herding dog.
[4] And it is generally larger than a feist, which is an American cross.
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