Genesis 31:8

New Century Version

When Laban said, ‘You can have all the speckled animals as your pay,’ all the animals gave birth to speckled young ones. But when he said, ‘You can have all the streaked animals as your pay,’ all the flocks gave birth to streaked babies.

Cross References

Genesis 30:32

Today let me go through all your flocks. I will take every speckled or spotted sheep, every black lamb, and every spotted or speckled goat. That will be my pay.

Genesis 30:39

so the flocks mated in front of the branches. Then the young that were born were streaked, speckled, or spotted.