Time varying, individual covariates are problematic in experiments with marked animals because the covariate can typically only be observed when each animal is captured. We examine three methods to ...

The assumption of equal catchability of marked and unmarked animals in mark-recapture sampling is examined. Violation of this assumption may come from two basic sources, heterogeneity or contagion, ...

What began as a friendly wager between colleagues, mixed with engineers’ competitive nature, has since established one of the premier technological advancements in the environmental conservation space ...

Instinctive statistics / G.M. Jolly -- Modelling complex effects in recoveries, live recaptures, and radio-tracking data -- Testing the significance of individual- and cohort-level covariates in ...