Animal genetic resources for food and agriculture crop and livestock species in the early neolithic time period changed our human evolution and lifestyles. This ability to control food production led to major demographic, technological, political and military changes. Consecutively, thousands of years of natural and human selection, genetic drift, inbreeding, and crossbreeding have contributed to the diversification of animal genetic resources and increased the variety of environments and production systems that livestock keeping takes place. Relatively few species have been domesticated; out of the world's 148 non-carnivorous species weighing more than 45 kg, only 15 have been successfully domesticated. The proportion of domesticated birds used for food
Something for the Birds them but it was never made. Something for the Birds Something for the Birds is a 1952 film directed by Robert Wise and starring Victor Mature and Patricia Neal. Johnnie Adams, an engraver in Washington, uses some of the invitations his firm makes to crash Washington parties. He gets to be called "Admiral," and is accepted as part of the social group. Johnnie meets Anne Richards, interested in preventing a gas company from drilling on certain west coast lands, destroying the breeding grounds of some California condors. She enlists his aid, and he asks Steve Bennett, a lobbyist, for help.