Art by SlayersStronghold
Standard breed isomara who grow up to become bipedal.
Standard breed isomara who grow up and remain quadrupedal.
Deustrum are naturally more flexible and can change their stance at whim, and are not limited during their growth into adults like the Standard Isomara breed.
Standard Isoling's bones have yet to set into place allowing them to try out walking at a feral or anthro stance as they grow up.
Deustrum Isomara have both a pair of large wings and a small set lower on the body. These wings can be fully feathered or have partial bat/dragon-like webbing in many styles and designs, not just the ones shown below.
Standard Isolings have underdeveloped wings and it is hard to tell whether they will have larger or smaller wings until they are grown adults