The sheep got two helicopter rides: One to an exam site, the other to the new habitat. Here are three arriving at the exam area, each one wearing an orange mask:

Special Delivery: One Box-o-Bighorns arriving at their new habitat. Up to four sheep were carried in one box.

Here's a snapshot from one of the (huge) videos. They released 10 ewes from three other boxes, and this ram wouldn't get up and run, so he got a little encouragement -- pulled out of the box by the horns. Then he took off like the rest... like a rocket.