* Authors listed in italics are former students who have worked in the Powers lab.
Casotti, G., T. Waldron, G. Misquith, D. Powers, and L. Slusher. 2007. Expression and localization of an aquaporin-1 homologue in the avian kidney and lower intestinal tract. Comparative Biochemistry and Physiology A 147:355-362. Download
Ficken, M. S., K. S. Rusch, S. J. Taylor, and D. R. Powers. 2002. Reproductive behavior and communication in Blue-throated Hummingbirds. Wilson Bulletin 114:197-209. Download
Ficken, M. S., K. S. Rusch, S. J. Taylor, and D. R. Powers. 2000. Blue-throated Hummingbird song: a pinnacle of non-oscine vocalizations. Auk 117:120-128. Download
Friesen, C. R., D. R. Powers, P. E. Copenhaver, and R. T. Mason. 2015. Size dependence in non-sperm ejaculate production is reflected in daily energy expenditure and resting metabolic rate. Journal of Experimental Biology 218:1410-1418. Download
McWhorter, T. J., D. R. Powers, C. Martinez del Rio. 2003. Are Hummingbirds Facultatively Ammonotelic? Nitrogen Excretion and Requirements as a Function of Body Size. Physiological & Biochemical Zoology 76:731-743. Download
Powers, D. R. 1987. Effects of variation in food quality on the breeding territoriality of the male Anna’s hummingbird. Condor 89:103-111. Download
Powers, D. R. 1991. Diurnal variation in mass, metabolic rate, and respiratory quotient in Anna’s and Costa’s Hummingbirds. Physiological Zoology 64:860-880. Download
Powers, D. R. 1992. Effect of temperature and humidity on evaporative water loss in Anna’s Hummingbird (Calype anna). Journal of Comparative Physiology B 162:74-84. Download
Powers, D. R. 1996. Magnificent Hummingbird (Eugenes fulgens). In The Birds of North America (A. Poole and F. Gill, Eds.). Philadelphia: The Academy of Natural Sciences; Washington, D.C.: The American Ornithologists’ Union.
Powers, D. R. 1999. Family Trochilidae (Hummingbirds). Pp. 536-680 In: Del Hoyo, J., Elliott, A., and Sargatal, J., eds. (1999). Handbook of the Birds of the World. Vol. 5. Barn owls to hummingbirds. Lynx Edicions, Barcelona.
Powers, D. R. 1999. Broad-billed Hummingbird (Cynanthus latirostris). In The Birds of North America, No. 430 (A. Poole and F. Gill, Eds.). The Birds of North America, Inc., Philadelphia, PA.
Powers, D. R. 2004. The impact of social interactions on torpor use in hummingbirds. In Life in the Cold: Evolution, Mechanisms, Adaptation, and Application. Twelfth International Hibernation Symposium (Barns, B. M, and Carey, H. V. eds.). Biological Papers of the University of Alaska, number 27. Fairbanks, AK, USA: Institute of Arctic Biology, University of Alaska. Download
Powers, D. R., A. R. Brown, and J. A. Van Hook. 2003. The influence of normal daytime fat deposition on laboratory measurements of torpor use in territorial vs. non-territorial hummingbirds. Physiological & Biochemical Zoology 76:389-397. Download
Powers, D. R. and T. Conley. 1994. Metabolic rate and food consumption of two sympatric hummingbird species in southeastern Arizona. Condor 96:141-150. Download
Powers, D. R., P. W. Getsinger, B. W. Tobalske, S. M. Wethington, S. D. Powers, and D. R. Warrick. 2012. Respiratory evaporative water loss during hovering and forward flight in hummingbirds. Comparative Biochemistry and Physiology A 161:279-285. Download
Powers, D. R. and T. McKee. 1994. The effect of food availability on time and energy expenditures of territorial and non-territorial hummingbirds. Condor 96:1064-1075. Download
Powers, D. R. and K. A. Nagy. 1988. Field metabolic rate and food consumption by free-living Anna’s hummingbirds (Calypte anna). Physiological Zoology 61:500-506. Download
Powers, D. R., J. A. Van Hook, E. A. Sandlin, and T. J. McWhorter. 2010. An examination of arthropod foraging in a southeastern Arizona hummingbird guild. Wilson Journal of Ornithology 122:494-502. Download
Supp, S. R., F. A. LaSorte, T. A. Cormier, M. C. W. Lim, D. R. Powers, S. M. Wethington, S. Goetz, and C. H. Graham. 2015. Citizen-science data provides new insight into annual and seasonal variation in migration patterns. Ecosphere 6:Article 15. Download
Tobalske, B. W., D. L. Altshuler, and D. R. Powers. 2004. Take-off mechanics in hummingbirds (Trochilidae). Journal of Experimental Biology 207:1345-1352. Download
Tobalske, B. W., A. A. Biewener, D. R. Warrick, T. L. Hedrick, and D. R. Powers. 2010. Effects of flight speed upon muscle activity in hummingbirds. Journal of Experimental Biology 213:2515-2523. Download
Tobalske, B. W., D. R. Warrick, C. J. Clark, D. R. Powers, T. L. Hedrick, G. A. Hyder, and A. A. Biewener. 2007. Three-dimensional kinematics of hummingbird flight. Journal of Experimental Biology 210:2368-2382. Download
Warrick, D., B. W. Tobalske, and D. R. Powers. 2005. Aerodynamics of the hovering hummingbird. Nature 435:1094-1097. Download
Warrick, D., B. W. Tobalske, and D. R. Powers. 2009. Lift production in the hovering hummingbird. Proceedings of the Royal Society B 276:3747-3752. Download
Warrick, D. R., B. W. Tobalske, D. R. Powers, and M. H. Dickinison. 2007. The aerodynamics of hummingbird flight. American Institute of Aeronautics and Astronautics 41:1-5. Download