Border Collie Australian Shepherd Mix Size. A border collie tends to weigh between 30 and 50 pounds and usually stands 18 to 22 inches tall. Australian shepherds can also weigh 35 to 70 pounds which is a pretty significant gap.

The size of the mini border aussie can be within that range but won t be as big as a standard size border collie. Border collie australian shepherd coat the coat of the border collie australian shepherd is usually medium in length with a light feathering or wave to the coat. Male aussies tend to be a lot heavier than their female counterparts.
Not a significant difference compared to the aussie.
This is going to be a very sweet and good natured dog. Females can grow to around 18 21 inches whereas the male is usually slightly larger at around 19 23 inches. Mini australian shepherd border collie mix size and weight. 19 22 inches at the shoulder.