Threatened arthropods United States, and IUCN Red List for international purposes. Only a tiny fraction of the planet's endangered arthropods are formally recognized as such, as no one has ever evaluated the conservation status of the vast majority of arthropod species. It is difficult to estimate the total number of endangered arthropod species, since many of the taxa themselves have not been recorded. For example, in North America the estimated number of insect species exceeds 163,000, of which only about two thirds are taxonomically known. An even greater discovery awaiting, over 72 percent of North American arachnids are yet to be named
Frog legs frogs are now critically endangered. In many parts of Baluchistan, especially in south sea coast of Baluchistan, frog legs are a delicacy. They are generally served fried with Pakistani species. Cooked bones of frog legs have been discovered in an archaeological dig in Amesbury Wiltshire, dating back to between 7596 and 6250 BC, evidence that indicates that they were part of the local diet. Some view this as evidence that Britons started eating them before the French. For several centuries however, frogs have been considered repellent to the British. "Frog" has been an abusive English nickname for a French person