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 western Slovenia and are served in numerous restaurants in the Slovenian Littoral. Frog legs are popular in some parts of Croatia, especially in the "Gorski kotar" region in the northwest of the country. They are considered a specialty in the Lokve municipality, where they are served cooked, fried or in a stew, sometimes with polenta on the side. In the western part of Spain, Extremadura and Castilla y Leon, frog legs are served deep fried. They are a delicacy among its citizens. Frog legs also have great culinary value on the sides of the Ebro. In Albania, frog legs are