“They were very comfortable around each other from the get-go. We were prepared to step in immediately if there was any signs of aggression, but that never came up,” Duvall said. “They were swimming right away together, they were grooming next to each other, and sometimes [grooming] one another, [and] they were eating together.”
In August, the beavers moved into a shared enclosure, and their bond deepened further. They slept together during the day, and spent nearly all their time together at night. When caretakers would enter the enclosure, the older beaver would protect his younger mate.