We asked Mike Porras with Colorado Parks and Wildlife (CPW), Northwest Region if he could share with us a current estimate of some wildlife species in Colorado. With assistance from a wildlife biologist with CPW, they provided the following numbers. He explained that herd animals are easier to estimate as they can be spotted more easily from the air than other species such as bear. In early winter, CPW employees climb aboard aircraft and fly across large swaths of wildlife habitat in search of big game animals to classify by sex and age, while others gather biological data on the ...