"The Boreal Owl as a Pleistocene Relict in Colorado" in The Condor

"Habitat Overlap and Competitive Exclusion in Voles (Microtus)" in The American Midland Naturalist

"The Numerical Response of Woodpeckers to Insect Prey in a Subalpine Forest in Colorado" in The Condor

"Woodpecker Predation on an Endemic Population of Engelmann Spruce Beetles" in The American Midland Naturalist

"Measuring Predator Impact of Woodpeckers on Spruce Beetles" in The Journal of Wildlife Management

"Prolonged and Bisexual Incubation by California Ospreys" in The Condor

"Energetics of Two Wintering Raptors" in The Auk

"Reviewed Work: Wild Mammals of North America: Biology, Management, and Economics by Joseph A. Chapman, George A. Feldhamer" in American Scientist

"Diet, Capture Success, and Mode of Hunting by Female American Kestrels in Winter" in The Condor

"Effects of Human Activity on Productivity of Nesting Ospreys" in The Journal of Wildlife Management

"Food consumption, energy, nutrient and mineral balances in a eurasian kestrel and a screech owl" in Comparative Biochemistry and Physiology Part A: Physiology