Most can be captured in traps, but only a few can be captured repeatedly, either due to large home range or behav ioral wariness. Traps are either large holding traps or snares and leg-holds. Wariness prevents some species from readily entering box traps. With proper training, snares with springs and leg-holds with padding can humanely capture animals for release. When animals are not captured, most are large enough to be readily detected through tracks, sign, or cameras. For predators, animals can be attracted to specific sites with food baits or scent lures, which, derived from glands or urine, are commercially available and can be used to bring animals over a site prepared for tracks or monitored with a tripcamera. These lures were originally developed for snare or leg-hold trapping and are still effectively used for that purpose. Radio telemetry is used extensively with this group; the unit is attached during the first capture.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.