A helicopter flies into the collaring area with two doe mule deer carefully packaged and suspended.

With the goal of getting the deer back on their feet as soon as possible, teams work to take blood, collect data and attach tracking collars.

Lightweight and as sleek as possible, the collars provide invaluable information about animal movements over seasons.

A pair of scientists quickly remove the animal’s blindfold and leg restraints once it is ready to be released.

A trio of female scientists work together to release a doe mule deer after collaring.

A mule deer wastes no time bolting to freedom once it has been released from its restraints.