ESA:Endangered Species Act ▣1973 Protect animal and plant species that are threatened or in danger of becoming extinct,and to conserve their habitats. Registration based on direct effect as well as habitat effect Colorado species protected under ESA ▣19 birds 23 fish 口12 plants 7 amphibians 口13 mammals 10 reptiles ▣2 mollusks Rio Grande Cutthroat Trout ESA: Endangered Species Act ‡ 1973 ‡ Protect animal and plant species that are threatened or in danger of becoming extinct, and to conserve their habitats. ‡ Registration based on direct effect as well as habitat effect „ Colorado species protected under ESA ‡ 19 birds ‡ 23 fish ‡ 12 plants ‡ 7 amphibians ‡ 13 mammals ‡ 10 reptiles ‡ 2 mollusks Rio Grande Cutthroat Trout