The project uses Sayaguesa cattle, Maremmana primitiva or Hungarian grey cattle, Chianina and Watusi. The genome of the Aurochs has been completely reconstructed and serves as the baseline for the reconstruction of the Aurochs. See also Breeding back De-extinction Breeding of aurochs-like cattle References External links Aurochs at the True Nature Foundation Long Now Foundation Nature conservation organisations based in Europe Animal breeding Mammal conservation