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
Wild Animals I Have Known after its publication, Seton and his works came under fire during the nature fakers controversy, which began in 1903 when naturalist John Burroughs published an essay called "Real and Sham Natural History" in "The Atlantic Monthly". In particular Burroughs blamed Seton's collection of stories for founding the sentimental animal story genre, which he felt featured fabricated events and wild animal behaviors; he even amended the title of the collection to "Wild Animals I" Alone "Have Known". Wild Animals I Have Known Wild Animals I Have Known is an 1898 book by naturalist and author Ernest Thompson Seton. The first entry