| Philopatry, inbreeding, and the evolution of sex WM Shields State University of New York Press, 1983 | 747 | 1983 |
| Forcible rape: An evolutionary perspective WM Shields, LM Shields Ethology and sociobiology 4 (3), 115-136, 1983 | 318 | 1983 |
| Dispersal and mating systems: investigating their causal connections WM Shields Mammalian dispersal patterns, 3-24, 1987 | 269 | 1987 |
| Factors Affecting Nest and Site Fidelity in Adirondack Barn Swallows (Hirundo rustica) WM Shields The Auk 101 (4), 780-789, 1984 | 229 | 1984 |
| Barn swallow coloniality: a net cost for group breeding in the Adirondacks? WM Shields, JR Crook Ecology 68 (5), 1373-1386, 1987 | 177 | 1987 |
| Barn swallow mobbing: self-defence, collateral kin defence, group defence, or parental care? WM Shields Animal Behaviour 32 (1), 132-148, 1984 | 172 | 1984 |
| Local adaptation, coadaptation, and population boundaries AR Templeton, H Hemmer, G Mace, US Seal, WM Shields, DS Woodruff Zoo Biology 5 (2), 115-125, 1986 | 168 | 1986 |
| Optimal inbreeding and the evolution of philopatry. WM Shields The ecology of animal movement, 1983 | 153 | 1983 |
| The natural and unnatural history of inbreeding and outbreeding. WM Shield The natural history of inbreeding and outbreeding., 143-169, 1993 | 134 | 1993 |
| Ideal free coloniality in the swallows WM Shields, JR Crook, ML Hebblethwaite, SS Wiles-Ehmann The ecology of social behavior, 189-228, 1988 | 127 | 1988 |
| The effects of dispersal and social structure on effective population size BD Chepko-Sade, WM Shields, J Berger, ZT Halpin, WT Jones, ... Mammalian Dispersal Patterns: The Effects of Dispersal and Social Structure …, 1987 | 111 | 1987 |
| Sexually selected infanticide by adult male barn swallows JR Crook, WM Shields Animal Behaviour 33 (3), 754-761, 1985 | 107 | 1985 |
| The effect of time of day on avian census results WM Shields The Auk 94 (2), 380-383, 1977 | 88 | 1977 |
| The social significance of avian winter plumage variability: a comment WM Shields Evolution 31 (4), 905-907, 1977 | 64 | 1977 |
| Philopatry, inbreeding, and the evolution of sex. State Univ WM Shields New York Press, Albany, 1982 | 61 | 1982 |
| Female tannin avoidance: a possible explanation for habitat and dietary segregation of giraffes (Giraffa camelopardalis peralta) in Niger LE Caister, WM Shields, A Gosser African Journal of Ecology 41 (3), 201-210, 2003 | 60 | 2003 |
| Probabilistic optimization of phenotype distributions: a general solution for the effects of uncertainty on natural selection? J Yoshimura, WM Shields Evolutionary Ecology 1, 125-138, 1987 | 55 | 1987 |
| Bird versus bats: behavioral interactions at a localized food source WM Shields, KL Bildstein Ecology 60 (3), 468-474, 1979 | 53 | 1979 |
| Characterization of Blastocystis species infection in humans and mantled howler monkeys, Alouatta palliata aequatorialis, living in close proximity to one another WD Helenbrook, WM Shields, CM Whipps Parasitology Research 114, 2517-2525, 2015 | 51 | 2015 |
| Avian census techniques: an analytical review WM Shields The role of insectivorous birds in forest ecosystems, 23-51, 1979 | 48 | 1979 |
William D. Helenbrook, PhDTropical Conservation Fund; State University of New York College of Environmental Science andVerified email at syr.edu
