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
Birds of the West Indies figure — an anonymous, blunt instrument wielded by a government department." The book has since become a collector's item amongst Bond fans and was featured as an homage in the twentieth James Bond film, "Die Another Day", when Bond poses as an ornithologist while in Cuba. The final shot of the miniseries "" is of a copy of "Birds of the West Indies" next to Ian Fleming's typewriter. Birds of the West Indies Birds of the West Indies () is a book containing exhaustive coverage of the 400+ species of birds found in the Caribbean Sea, excluding the ABC islands,