(5)Argentina. (6)Wildlife Conservation Society researchers have studied these birds for eighteen years. They say the numbers of penguins have (7)decreased by thirty percent since
1.Journal of Animal Physiology and Animal Nutrition Bimonthly ISSN: 0931-2439 WILEY-BLACKWELL, 111 RIVER ST, HOBOKEN, USA, NJ, 07030-5774 2.Journal of Applied Animal Nutrition Cambridge University Press 3
Discover some of the wildest habitats on Earth and the endangered animals that live there. Examine how people are working to save their fellow creatures.给你一个翻译网站: