The Northern Hawk Owl (Surnia ulula) are medium sized owls measuring 14-18 in. tall with a wing span of 28 in. and weigh between 1/2 to 1 lb. One of the few owls that hunt by day. They are able to spot prey up to a 1/2 mile away.
Missed his meal, got caught and banded. Not sure he's pleased its all been immortalized on film! Wonderful shots of the owls and the fieldwork involved, you are to be congratulated (again) Dennis.