Safari Ltd Black SheepSafari Ltd Black Sheep Unlike many other animals, white coloration in sheep is a dominant gene, rather than a recessive gene or mutation like albinism and leucism. Therefore, black sheep are fairly rare, occurring in about 25% of cases when two white sheep that carry the recessive black gene produce offspring. Safari Ltd Model 162229 Size in cm: 8. 0cm x 7. 5cm x 3. 5cm The Black Sheep is part of the Safari Farm collection. All Safari Ltd products are