The Xenarthra are an order of the mammals consisting of the armadillos, anteaters, and sloths. The Biology of the Xenarthra is the first authoratative study of

This fact-filled guide explores forests from the equator to the frozen poles, the depths of the rainforest to the mountain forests at high altitudes. It also de

The first detailed collation of the evolution, ecology and conservation of some of South America's least-known, and most endangered, primates.

National parks are different from other federal lands in the United States. Beginning in 1872 with the establishment of Yellowstone, they were largely set aside

Scientists and conservationists are beginning to understand the importance of top carnivores to the health and integrity of fully functioning ecosystems. As bur