8031

• UCREFRP Catalog Number: 8031
• Author: U.S. Department of the Interior.
• Title: Fish and Wildlife Service Final Biological and Conference Opinion on Lower Colorado River Operations and Maintenance - Lake Mead to Southerly International Boundary.
• USFW Year: 1997.
• USFW - Doc Type: \
• Copyright Material: NO

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BIOLOGICAL OPINION

Table of Contents

Flat-tailed Horned Lizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 156

REASONABLE AND PRUDENT AL TERNA TIVE . . . . . . . . . . . . . . . . . . . . . . .. 156
Short-term Provisions ....................................... 159
BONYT AIL CHUB AND RAZORBACK SUCKER. . . . . . . . . . . . . .. 159
SOUTHWESTERN WILLOW FLYCATCHER ................. 160
Long-term Provisions ....................................... 161
BONYT AIL CHUB AND RAZORBACK SUCKER .............. 162
SOUTHWESTERN WILLOW FLYCATCHER ................. 162
PROVISIONS THAT APPLY TO BONYT AIL CHUB, RAZORBACK
SUCKER, AND SOUTHWESTERN WILLOW FL YCA TCHER . 163

INCIDENTAL TAKE STATEMENT ................................. 166

AMOUNT OR EXTENT OF TAKE .................................. 166
Bony tail Chub and Razorback Sucker . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 166
Southwestern Willow Flycatcher ................................ 168
Yuma Clapper Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 168
Flat-tailed Horned Lizard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 169

EFFECT OF THE TAKE ......................................... 169
Bonytail Chub and Razorback Sucker .. . . . . . . . . . . . . . . . . . . . . . . . . . .. 169
Southwestern Willow Flycatcher ................................ 169
Yuma Clapper Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 169
Flat-tailed Homed Lizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " 170

REASONABLE AND PRUDENT MEASURES . . . . . . . . . . . . . . . . . . . . . . . . . " 170
Bony tail Chub and Razorback Sucker . . . . . . . . . . . . . . . . . . . . . . . . . . . " 170
Southwestern Willow Flycatcher ................................ 170
Yuma Clapper Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 170
Flat-tailed Homed Lizard . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . .. 171

TERMS AND CONDITIONS ...................................... 171
Bony tail Chub and Razorback Sucker . . . . . . . . . . . . . . . . . . . . . . . . . . . " 171
Southwestern Willow Flycatcher ................................ 173
Yuma Clapper Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 175
Flat-tailed Horned Lizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " 176

DISPOSITION OF DEAD, INJURED, OR SICK INDIVIDUALS OF A
LISTED SPECIES ......................................... 177

CONCURRENCES ............................................. 178
Bald Eagle .............................................. 178