It can even be used as a preventive measure to maintain healthy legs for someone who spends extensive amounts of time on their feet. (discountsurgical.com)
They require extensive amounts of time outside of their cage, ideally with space to fly, as well as constant mental stimulation. (thesprucepets.com)
Once you've assembled a pool of valuable organizers to pull from, you can avoid spending extensive amounts of time searching for just the right exit ticket or classroom assignment. (blog.edmentum.com)