Beagle
The Beagle was a breed of domesticated dog, most likely originating from England, on Earth.

During the 22nd century, Captain Jonathan Archer owned a Beagle named Porthos, which he took with him during his ten-year mission on . () 

Other than Porthos, Doctor Phlox had not treated any other beagles, (once mistakenly calling Porthos a "bugle",) but was able to find medical information on similar chordata in his sub-mammalian database. ()

In the alternate reality,  attempted to prove his theories about interplanetary transportation by beaming Admiral 's prize Beagle. The dog was never seen again. ()

External links 
 
 Beagle at The American Kennel Club

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Earth animals
Canines