Natural history narratives for more than 300 species of mammals, birds, reptiles, and amphibians found in Pennsylvania and throughout the northeastern United St

From the tiny shrew to the black bear, Pennsylvania's hills and valleys are teeming with sixty-three species of wild mammals. Many of these animals are rarely s

Natural history narratives for more than 300 species of mammals, birds, reptiles, and amphibians found in Pennsylvania and throughout the northeastern United St