Marshall, 1939 Otus flammeus Flagstaff, Ariz., June 2. but couldn't see the owl. & & couldn't be sure where he was because of unusual ventriloquial quality of hoots. tried to lead him up to open grove of tall yellow pines on a flatt. Another male answered -- noticeable difference in pitch between the 2 -- (both calling together; thl 1st was 1/2-1 step higher than 2nd.) Shot 2nd male as he sat high among dense branches of middle- aged, dense-crowned pine. Clear, pink eyes shine. After the shot, 1st & silent but heard two staccato & notes -- at least 4 & pitch, but double -- loop-loop 1/2 sec interval for the 2 syll. Couldn't hear or look locate & farther. Picked up & #658 & took out contents of stomach.