Over 11,000 species are now listed as endangered and vulnerable to extinction on the International Union for the Conservation of Nature's (IUCN) Red List of threatened species. (This shirt is our way of reminding the world that extinction is a one-way ticket. It would be a terrible shame to lose any more species!) Bold white print on black fitted tee. Rhinestone accents dot the i's in "Extinction Sucks" message. Made in Kenya from 100% soft organic baby-rib cotton. (via Wildlife Works)