Northwest Trek keeper/veterinary technician Deanna Edwards cradled the massive head of Ellis the moose in her arms, taking care that his breathing was regular as he lay on the grass, anesthetized, in a Free-Roaming Area field. He made a low-pitched thrumming noise as he slept, sounding a bit like a machine of some kind had invaded the quiet of the forest. But, nope, it was just the normal vocalization of a sedated moose – and this forest “house-call” was all in a day’s work for Ellis’ dedicated veterinary and keeper team. Vet on the ground To Ellis’ rear, Northwest Trek …