[2] For example, females with youths may be left untouched,[2] or quarry may be observed or tagged for research.
Usually, the quarry will climb a tree to escape the dogs after a period of chase and harassment.
It is especially useful for cougars, which are notoriously stealthy and difficult to capture without the aid of dogs.
Research indicates that treeing and freeing predators, a process that is somewhat similar to catch and release fishing, can encourage them to maintain a healthy distance from humans.
[4][5] Treeing is illegal in several US states, including Montana,[6] New Mexico,[6] Oregon,[7] and Washington.