by dovey0805 on 15 May 2019 - 20:05
by Hundmutter on 15 May 2019 - 20:05
If the parents are both black & tan (bi-colour is a black & tan variant), rather than either of them being an all-black, then it is very unlikely you will see all-black offspring, genetically.
GSD pups when very young are often deceptive as to the colour they will end up, [apart, that is, from sables] with pups being born very dark and then smaller amounts of tan markings taking a while to develop. This is particularly true of bi-colour pups as there isn't so much tan to develop, obviously. But a dog which ends up more tan than anything AS AN ADULT can still be a very dark coated puppy while still in the nest. [ In fact, MOST black & tan pups go through a period where they LOOK 'bi-colour' ! ]
Give the colour time to develop; as the pup's coat changes with its overall growth, you will eventually be able to see classic bi-colour markings, if that is what your pup is going to be - these will usually be: tan 'eyebrows'; maybe some limited tan patches on the face or, sometimes, ears; tan on the feet (probably with accompanying 'pencil' marks, i.e. black lines on the feet and 'ankles') - all 4 feet; and a little up the legs; and, yes, tan vent (limited area under the tail, around the anus). The back, sides and tail will remain black in a bi-colour dog. The length of the under-belly may show lighter colour, tan or creamy-grey.
From your description of this litter, it is likely (though not 'guaranteed' !) that the 3 which look darkest at present are more likely to take after their sire and be bi-colour.
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