White-tailed kites, Elanus leucurus, once ranged from Georgia to Florida, across the southern United States and northern Mexico, to California and Oregon. The population was
As their name suggests, spiny dogfish sharks (Squalus acanthias) have sharp spines in front of each dorsal fin. Their bodies are dark gray above and
Salmon sharks (Lamna ditropis) are large, powerful, warm-bodied (endothermic), and streamlined predators adapted for high-speed swimming. Reports from the U.S. Navy have clocked salmon sharks
Pacific sleeper sharks (Somniosus pacificus) range from the Chukchi Sea, East Siberian and Beaufort seas, to the Bering Sea and in the Pacific Ocean to
As large carnivores, Alaska brown bears range over great expanses of land, sometimes as much as 150 square miles for a single bear. In addition,
Ocean Acidification Bad for Shells and Reefs Rising levels of atmospheric carbon due to fossil fuel emissions have made seawater more acidic. Now, two new
The 1985 report of the discovery of an “ozone hole” over Antarctica focused attention on the idea that humans can have a significant impact on
Some scientists warn growing levels of human-caused noise in the oceans from military sonar, ships, oil exploration and drilling, offshore construction, motor boats, and jetskis
Bald eagles (Haliaeetus leucocephalus) are a member of the Accipitridae family, which also includes hawks, kites, and old-world vultures. Scientists loosely divide eagles into four
Marine debris and litter has become both a significant coastal and open ocean problem. Considerable portions of this debris is made of persistent synthetic materials
