Because that's just the way they were made to look.
You need to take your dog to the vet as soon as possible.
Dark urine reflects a remake issue..an infection of some sort, glomerulonephritis presents with urine the color of cola.
i don't have a dog that is black
Black dog
no
The Black Dog was created in 1971.
The Chinese words for black dog is 黑狗.
dog is black because it can do heavy duty in the darkness.
Black is the best!
a black bear
Journeys with the Black Dog was created in 2007.
Black Dog Institute was created in 2002.
Big Black Dog was created in 1970.
Black
Dog