The peregrine falcon is one of the best-known birds in the world. Found on every continent except Antarctica, this species has won the hearts of not only falconers, but of millions of people with their incredible speed and agility in the air. In the 1960s falconers who kept a close eye on these falcons noticed that […]
Once prevalent in Yellowstone National Park, peregrine falcons were absent by 1970. Their decline, as well as that of other birds of prey, can be traced to the effects of widespread use of the pesticide DDT (dichloro-diphenyl-trichloroethane), which caused eggshell thinning and impaired reproduction in birds. Used widely from the 1940s through the 1960s, DDT […]
Controversy erupted like Old Faithful as soon as talk began about reintroducing the gray wolf to Yellowstone National Park. Unlike Old Faithful, that controversy has never really subsided. The sky-is-falling hysteria from some quarters in the 1990s and early 2000s has been muted a bit by the recent removal of wolves from the federal Endangered Species list […]