Corriedale South Island, where he conducted his work under the encouragement of NZALC superindent, William Soltau Davidson. The breed was developed between 1868 and 1910. As a dual purpose breed of sheep (good for meat and wool), the Corriedale breed was gradually distributed to many of the sheep-raising areas in the world. For example, the first Corriedales were imported to the United States in 1914. The Corriedale was later used as one of the parents of the U.S.-developed Targhee breed. Corriedale sheep also contribute about 50 percent of the genetics used in the Gromark breed of sheep, which were developed in
Animal sexual behaviour birthplace, which reduces the chance of mating with a close relative. Toads display breeding site fidelity, as do many amphibians. Individuals that return to natal ponds to breed will likely encounter siblings as potential mates. Although incest is possible, "Bufo americanus" siblings rarely mate. These toads likely recognise and actively avoid close kins as mates. Advertisement vocalisations by males appear to serve as cues by which females recognise their kin. Animal sexual behaviour Animal sexual behaviour takes many different forms, including within the same species. Common mating or reproductively motivated systems include monogamy, polygyny, polyandry, polygamy and promiscuity. Other sexual