Volume 73, Number 1 (2013)
Front Matter
Articles
Studies of a new hybrid taxon in the Artemisia tridentata (ASTERACEAE: Anthemideae) complex
Heather D. Garrison, Leila M. Shultz, and E. Durant McArthur
Nongame fish species distribution and habitat associations in the Snake River basin of southern Idaho
Kevin A. Meyer, James A. Lamansky Jr., Daniel J. Schill, and Donald W. Zaroban
Provisioning rate, dietary composition, and prey selection of breeding Bobolinks and Grasshopper Sparrows
Ben R. Skipper and Daniel H. Kim
Native riparian tree establishment along the regulated Dolores River, Colorado
Adam P. Coble and Thomas E. Kolb
Medusahead invasion along unimproved roads, animal trails, and random transects
Kirk W. Davies, Aleta M. Nafus, and Matthew D. Madsen
Seasonal variation in offspring sex ratio in the Snowy Plover
Sarah T. Saalfeld, Warren C. Conway, David A. Haukos, and William P. Johnson
Assessing migratory stopover site quality for birds during fall migration along two California rivers
Renée L. Cormier, Thomas Gardali, and Julian K. Wood
Hatching plasticity under complex conditions: responses of newt embryos to chemical and mechanical stimuli from egg and larval predators
Brian G. Gall, Leticia L. Hoffmann, and Edmund D. Brodie Jr.
Bats of Palo Duro Canyon State Park, Texas: community composition, abundance, and seasonal acivity
Tamera D. H. Riedle and Raymond S. Matlack
Notes
Avian response to frost-damaged aspen in northern Utah
Andreas Leidolf and Ronald J. Ryel
Female Peregrine Falcon (Falco peregrinus) exploits fish as prey
Brent Carl Hetzler
Continued gizzard shad (Dorosoma cepedianum) range expansion in the Colorado River basin
P. Aaron Webber and M. Tildon Jones
New plant taxa from Colorado, New Mexico and Arizona
N. Duane Atwood and Stanley L. Welsh
Book Review
The Biology of Small Mammals by Joseph F. Merritt
Howard O. Clark
Obituary
Kenneth W. Stewart, 1935–2012: obituary and list of publications
Bill P. Stark and Richard W. Baumann
Announcement
End Matter
