Fig 1.
Trapping locations for both 2015 and 2016 across Wyoming sagebrush shrubland and prairie grassland.
Total captures for all species shown in different sizes. Trapping sites where pocket mice were present are in blue. Sites where pocket mice were not detected are in orange.
Table 1.
The number of captures within each species in each trap type.
Fig 2.
Bait and trap selection by species.
Colors represent differences in selection within a species, where trap-bait combinations with the same color are not significantly different from each other. When colors are different, green = strongly positive selection, yellow = weak positive selection, orange = weak avoidance and red = strong avoidance. Bi-color hatching indicates no significant differences from solid colors of the same type. BS = bird seed bait, HF = 3-way horse feed bait, PB = peanut butter bait.
Fig 3.
Bait and trap selection by species including Longworth traps.
Colors represent differences in selection within a species, where trap-bait combinations with the same color are not significantly different from each other. When colors are different, green = strongly positive selection, yellow = weak positive selection, orange = weak avoidance and red = strong avoidance. Bi-color hatching indicates no significant differences from solid colors of the same type. BS = bird seed bait, HF = 3-way horse feed bait, PB = peanut butter bait.
Table 2.
Values of AICc, delta AIC, AIC weights, and loglikelihood for occupancy models used to determine effect of different trap and bait types on detection probability of pocket mice.
Table 3.
Estimates of detection probability and naïve occupancy for olive-back pocket mice from the best fitting (temporal) model assessing the effects of different trap and bait types.
Fig 4.
Effect of grid size on olive-backed pocket mouse detection probability.
Detection probability for each grid size is in black with 95% confidence interval. Grid sizes used were 0.26, 0.33, 0.50, 0.66 and 0.75 of the grid used in our study.
Fig 5.
The effect of deer mouse abundance on pocket mouse detection.
A. Proportion of trap nights available relative to deer mouse captures showing the negative effect of these small mammals on trap availability for other species. B. The pocket mouse detection probability on day 1 relative to the proportion of trap nights available, corrected for closed but empty traps and non-pocket mouse captures, with 95% confidence intervals (dashed red). C. Pocket mouse detection probability by trapping night showing the temporal increase in detection given availability of traps.