Written for researchers and graduate students in statistics, demography, and the social sciences, this reference provides an overview of capture-recapture'¬ ;the statistical methods used to estimate population size. It covers model development and examines the technicalities of model diagnostics, an often overlooked aspect in practice. The authors provide examples to demonstrate the statistical nuances that are encountered with complex modeling. They use real-world data sets throughout the text and include stand-alone software programs, such as R and WinBUGS. Chapters contain exercises as well.