| 2. Wolf Behavior: Reproductive, Social, and Intelligent JM Packard Wolves, 35-65, 2010 | 360 | 2010 |
| Population regulation in wolves JM Packard, LD Mech | 150 | 1980 |
| An artificial intelligence modelling approach to simulating animal/habitat interactions H Saarenmaa, ND Stone, LJ Folse, JM Packard, WE Grant, ME Makela, ... Ecological Modelling 44 (1-2), 125-141, 1988 | 133 | 1988 |
| Endocrine correlates of reproduction in the wolf. I. Serum progesterone, estradiol and LH during the estrous cycle US Seal, ED Plotka, JM Packard, LD Mech Biology of reproduction 21 (5), 1057-1066, 1979 | 122 | 1979 |
| AI modelling of animal movements in a heterogeneous habitat LJ Folse, JM Packard, WE Grant Ecological modelling 46 (1-2), 57-72, 1989 | 114 | 1989 |
| Causes of Reproductive Failure in Two Family Groups of Wolves (Canis lupus) JM Packard, US Seal, LD Mech, ED Plotka Zeitschrift für Tierpsychologie 68 (1), 24-40, 1985 | 109 | 1985 |
| Acceptance of Scientific Management by Natural Resource Dependent Communities: Aceptación del Manejo Científico por Comunidades Dependientes de Recursos Naturales P Weeks, JM Packard Conservation Biology 11 (1), 236-245, 1997 | 108 | 1997 |
| Regurgitative food transfer among wild wolves LD Mech, PC Wolf, JM Packard Canadian Journal of Zoology 77 (8), 1192-1195, 1999 | 104 | 1999 |
| Human interactions with free-ranging and captive bottlenose dolphins TG Frohoff, JM Packard Anthrozoös 8 (1), 44-53, 1995 | 98 | 1995 |
| Social influences on reproduction in wolves JM Packard, LD Mech, US Seal | 87 | 1983 |
| Variation in stereotypic behavior related to restraint in circus elephants TM Gruber, TH Friend, JM Gardner, JM Packard, B Beaver, D Bushong Zoo Biology: Published in affiliation with the American Zoo and Aquarium …, 2000 | 75 | 2000 |
| Variation of visibility bias during aerial surveys of manatees JM Packard, RC Summers, LB Barnes The Journal of wildlife management 49 (2), 347-351, 1985 | 74 | 1985 |
| Weaning in an arctic wolf pack: behavioral mechanisms JM Packard, LD Mech, RR Ream Canadian Journal of Zoology 70 (7), 1269-1275, 1992 | 71 | 1992 |
| A qualitative zoogeographic analysis of decapod crustaceans of the continental slopes and abyssal plain of the Gulf of Mexico MK Wicksten, JM Packard Deep Sea Research Part I: Oceanographic Research Papers 52 (9), 1745-1765, 2005 | 49 | 2005 |
| Determining observer reliability in counts of river otter tracks JW Evans, CA Evans, JM Packard, G Calkins, M Elbroch The Journal of Wildlife Management 73 (3), 426-432, 2009 | 45 | 2009 |
| Dolphin prey herding: prey ball mobility relative to dolphin group and prey ball sizes, multispecies associates, and feeding duration R Vaughn, B Würsig, J Packard Marine mammal science 26 (1), 213-225, 2010 | 44 | 2010 |
| Wolves: behavior, ecology, and conservation JM Packard, LD Mech, L Boitani The university of Chicago press, Chicago. Pp: 35 65, 2003 | 43 | 2003 |
| Possible use of wolf, Canis lupus, den over several centuries LD Mech, JM Packard Canadian Field-Naturalist 104 (3), 484-485, 1990 | 43 | 1990 |
| Manatee response to interruption of a thermal effluent JM Packard, RK Frohlich, JE Reynolds III, JR Wilcox The Journal of Wildlife Management, 692-700, 1989 | 43 | 1989 |
| Impact of manatees Trichechus manatus on seagrass communities in eastern Florida. JM Packard Acta Zoologica Fennica. 1984., 1984 | 43 | 1984 |
