Table 1: Estimates of the parameter z in (1).

SpecieszStandard errorCoef. of Variation

Red deer 65853.891.060.272
Boar 94284.995.681.138
Gray fox 3193.781.540.407
Gray fox 3421.852.131.151
Coyote 2631.932.861.482
Gray seals Bonner (1975) [4]11.7610.370.882
Bison Fredin (1984) [5]0.750.470.627
Macaque 606816.2625.121.545
Beaver 1510.460.81.739
Beaver 1567.437.631.027
Elephant seals Stewart et al. (1994) [6]1.860.670.36
Seneca deer Hesselton et al. (1965) [7]0.690.450.652
Badger 781.764.082.29
Fur seals Kenyon et al. (1954) [8]4.053.170.783
Blue Springs manatees Eberhardt and O’Shea (1995) [9]5.0810.712.108
Chinstrap penguins Fraser (pers. commun.)0.452.65.778
Gentoo penguins Fraser (pers. commun.)0.691.442.087
Polar bear 1436.136.911.127
Beaver 1567.437.631.02
Coyote 2476.4210.741.673
Gray fox 3281.882.431.293
Boar 94291.660.990.596
Marten 96951.22.271.892
Squirrel 96990.982.052.92
Gray fox 3340.453.482.48
Median1.88