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July, 19o8 NESTING OF TIlE ROCKY MOUNTAIN SCREECtI OWl, IN WYOMING 145 for awhile it seemed as tho she would retain it, for the way she clawed up my hand while I was removing her, is something I shall not forget soon. However, when I let her loose, or rather got her loose, she quickly flew out of sight and was seen no more. Turning again to the nest I found three fledged young, as large as the old bird. I certainly cannot see the reason for her staying on the nest; for the young birds were nearly suffocating each other in the narrow cavity. These youngst4m were as good subjects for the cantera as a person could want, except possibly their YOUNG ROCKI' MOUNTAIN SCREECH OWL; IN MOUNTAINS NEAR SHERIDAN, WI'OMING, JUNE 16, 1907 tendency to turn over ou their backs, with their claws waving in the air, and .show fight. I took several pictures of them at different distances, and in different positions; the difference that this makes in the looks of the birds, is interesting to note. Two of the birds soon disappeared, but the third remained in the nest for about two weeks; I hope he has safely reached maturity, for, in the visits I made the little fellow, I becmne quite attached to him.