| High parasite load in house finches (Carpodacus mexicanus) is correlated with reduced expression of a sexually selected trait CW Thompson, N Hillgarth, M Leu, HE McClure The American Naturalist 149 (2), 270-294, 1997 | 287 | 1997 |
| Ecological constraints and the evolution of hormone-behavior interrelationships. JC Wingfield, J Jacobs, N Hillgarth Annals of the New York Academy of Sciences 807, 22-41, 1997 | 195 | 1997 |
| Parasite-mediated sexual selection: Endocrine aspects. N Hillgarth, JC Wingfield Host-parasite evolution: general principles and avian models., 78-104, 1997 | 188 | 1997 |
| Testosterone and sexual selection N Hillgarth, M Ramenofsky, J Winfield Behavioral Ecology 8 (1), 108-109, 1997 | 121 | 1997 |
| Testosterone and immunosuppression in vertebrates: implications for parasite-mediated sexual selection N Hillgarth, JC Wingfield Parasites and pathogens: effects on host hormones and behavior, 143-155, 1997 | 105 | 1997 |
| Parasites and female choice in the ring-necked pheasant N Hillgarth American Zoologist 30 (2), 227-233, 1990 | 101 | 1990 |
| Ectoparasite transfer during mating in ring-necked pheasants Phasianus colchicus N Hillgarth Journal of Avian Biology, 260-262, 1996 | 99 | 1996 |
| Seabird conservation PD Boersma, JA Clark, N Hillgarth Biology of marine birds, 577-598, 2001 | 54 | 2001 |
| Moult varies with parasites in Laysan Albatrosses N Langston, N Hillgarth Proceedings of the Royal Society of London. Series B: Biological Sciences …, 1995 | 36 | 1995 |
| Effects of El Niño and La Niña Southern Oscillation events on the adrenocortical responses to stress in birds of the Galapagos Islands JC Wingfield, M Hau, PD Boersma, LM Romero, N Hillgarth, ... General and comparative endocrinology 259, 20-33, 2018 | 31 | 2018 |
| Pheasant spurs out of fashion N Hillgarth Nature 345 (6271), 119-120, 1990 | 29 | 1990 |
| Social organization of wild peafowl in India N Hillgarth World Pheasant Assoc J 9, 47-56, 1984 | 26 | 1984 |
| Diseases of seaducks in captivity N Hillgarth, J Kear Wildfowl 30 (30), 135-141, 1979 | 24 | 1979 |
| The breeding biology of captive Black-headed Ducks and the behavior of their young EC Rees, N Hillgarth The Condor 86 (3), 242-250, 1984 | 22 | 1984 |
| Relationships among dominance, foraging proficiency, and condition in juvenile Dark-eyed Juncos J Leary, KA Sullivan, N Hillgarth The Auk, 1136-1141, 1999 | 18 | 1999 |
| Diseases of perching ducks in captivity N Hillgarth, J Kear Wildfowl 32 (32), 156-162, 1981 | 15 | 1981 |
| Causes of mortality among whistling ducks in captivity N Hillgarth, J Kear Wildfowl 33 (33), 133-139, 1982 | 11 | 1982 |
| Impact of a parasite Heterakis gallinarum on the body condition and breeding success of pheasants Phasianus colchicus PA Robertson, N Hillgarth Proceedings of the Congress of the International Union of Game Biologists 21 …, 1994 | 9 | 1994 |
| Mating system correlates of tarsal spurs in the Phasianidae MS Sullivan, N Hillgarth Journal of Zoology 231 (2), 203-214, 1993 | 9 | 1993 |
| Mortality of the northern geese in captivity N Hillgarth, J Kear, K Horky Wildfowl 34 (34), 153-162, 1983 | 9 | 1983 |
