CHAPTER IV

SPECIES
  1. Introduction
  2. Terrestrial
    1. Endangered
      1. Peregrine Falcon (Falco peregrinus)
      2. Southwestern Willow Flycatcher (Empidonax traillii extimus)
    2. Threatened
      1. Bald Eagle (Haliaeetus leucocephalus)
      2. Desert Tortoise (Gopherus agassizii) (Mojave & Sonoran populations)
    3. Proposed Threatened
        4. Flat-tailed horned lizard (Phrynosoma m’callii)
    4. Sensitive
      1. California Leaf-Nosed Bat (Macrotus californicus)
      2. Spotted Bat (Euderma maculatum)
      3. Greater Western Mastiff-Bat (Eumops perotis californicus)
      4. Small-Footed Myotis (Myotis ciliolabrum)
      5. Allen's (Mexican) Big-Eared Bat (Idionycteris phyllotis)
      6. Pale Townsend's Big-Eared Bat (Plecotus townsendii pallescens)
      7. Long-Legged Myotis (Myotis volans)
      8. Fringed Myotis (Myotis thysanodes)
      9. Yuma Myotis (Myotis yumanensis)
      10. Cave Myotis (Myotis velifer)
      11. Yuma Hispid Cotton Rat (Sigmodon hispidus eremicus)
      12. Loggerhead Shrike (Lanius ludovicianus)
      13. Large-billed Savannah Sparrow (Passerculus sandwichensis rostratus)
      14. Arizona Toad (Bufo microscaphus microscaphus)
      15. Desert tortoise (Sonoran population) (Gopherus agassizii)
      16. Rosy Boa (Lichanura trivirgata)
      17. Cowles's fringe-toed lizard (Uma notata rufopunctata)
      18. Chuckwalla (Sauromalus obesus)
      19. Grand Wash Springsnail or Grapevine Springsnail (Pyrgulopsis bacchus)
      20. White Desertsnail (Eremarionta immaculata)
      21. Cheeseweed owlfly (aka moth lacewing, mothlike netwing, ithonid lacewing) (Oliarces clara)
      22. MacNeill’s sootywing (Hesperopsis gracielae)
      23. Dune sunflower, silver-leafed sunflower - (Helianthus niveus ssp. tephrodes)
      24. Sand food (aka sand sponge, sand root, or biatatk [Tohono O'odham word meaning "sand root," Jaeger 1940]) (Pholisma sonorae)
      25. Foxtail cactus (Coryphantha vivipara var. alversonii)
      26. Crissal Thrasher (Toxostoma crissale coloradense)
  3. Marsh
    1. Endangered
      1. Brown Pelican (Pelecanus occidentalis)
      2. Yuma Clapper Rail (Rallus longirostris yumanensis)
    2. Sensitive
      1. California Black Rail (Laterallus jamaicensis coturniculus)
      2. Western Least Bittern (Ixobrychus exilis hesperis)
      3. White-faced Ibis (Plegadis chihi)
      4. Fulvous Whistling Duck (Dendrocygna bicolor)
  4. Aquatic
    1. Endangered
      1. Colorado Squawfish (Ptychocheilus lucius)
      2. Razorback Sucker (Xyrauchen texanus)
      3. Bonytail (Gila elegans)
    2. Critical Habitat Description - Razorback Sucker and Bonytail
    3. Sensitive
      1. Flannel Mouth Sucker (Catostomus latipinnis)
      2. California floater (Anodonta californiensis)
  5. Mexico Species
    1. Desert pupfish (Cyprinodon macularius)
    2. Vaquita (Phocoena sinus)
    3. Totoaba (Totoaba macdonaldi)
  6. Summary of Effect Analyses

Chapter I TOC | Chapter II TOC | Chapter III TOC | Chapter IV TOC
Glossary of Terms and Acronyms | Appendices | Tables | Figures
Assessment TOC | COMMENTS