Volume 81, Number 1 (2021)
Front Matter
Articles
Seasonal activity and diets of bats at uranium mines and adjacent areas near the Grand Canyon
Ernest W. Valdez, Mollie K. Hanttula, and Jo Ellen Hinck
Rocky Mountain bristlecone pine (Pinus aristata) is a confirmed host to mountain pine beetle (Dendroctonus ponderosae)
Barbara J. Bentz, E. Matthew Hansen, James C. Vandygriff, S. Sky Stephens, and David Soderberg
Bats (Chiroptera) of Glen Canyon National Recreation Area, Utah and Arizona
Grace M. Carpenter, Lonnie H. Pilkington, Alexis R. Levorse, and John R. Spence
Estimating abundance of desert mule deer using fecal DNA–based capture-recapture
Stephen S. Pfeiler, Mary M. Conner, Jane S. McKeever, Rachel S. Crowhurst, Clinton W. Epps, Gerald P. Mulcahy, Erin P. Meredith, and Thomas R. Stephenson
Cold tolerance of mountain stoneflies (Plecoptera: Nemouridae) from the high Rocky Mountains
Scott Hotaling, Alisha A. Shah, Michael E. Dillon, J. Joseph Giersch, Lusha M. Tronstad, Debra S. Finn, H. Arthur Woods, and Joanna L. Kelley
Asymmetrical host switching by two groups of obligate ectosymbionts of crayfishes
Bronwyn W. Williams and Patricia G. Weaver
Using trail cameras to document meso and large mammal use of native and nonnative riparian forest types in southeastern Arizona
Cheyenne J. Herzog and Heather L. Bateman
A review of home range sizes of four raptor species of regional conservation concern
Megan Kocina and Kevin Aagaard
Effects of elk and bison herbivory on narrowleaf cottonwood
Linda C. Zeigenfuss and Kathryn A. Schoenecker
Nearshore species biodiversity of a marine protected area off Santa Catalina Island, California
Audrey Looby and David W. Ginsburg
Notes
First record and diet of the tri-colored bat (Perimyotis subflavus) from Guadalupe Mountains National Park and Culberson County, Texas
Mollie K. Hanttula and Ernest W. Valdez
Historic methods of trapping plains spotted skunks: implications for modern survey methodology
D. Blake Sasse
Announcement
End Matter
