ALUCONID^E : Barn Owls 



in 



About twenty-five forms recognized, distributed world-wide except in 

 Arctic regions. One only occurs in North America. A most active and 

 persistent destroyer of injurious rodents, especially gophers. 



Res. Common. Valleys 

 and foothills. Nests in hollow 

 trees, holes in earth banks, or 

 in buildings. Widely distributed 

 in California. In Arizona most 

 numerous in central portion; 

 unknown in plateau region of 

 the northeast. 



Barn Owl 



HORNED OWLS, etc. Family Strigidae 



Southern California Res. 

 Common locally. Willow re- 

 gions and oak-grown canyons, 

 from lowlands to 7000 feet in 

 the mountains. 



Arizona Rather a rare bird. 

 Recorded mostly in winter. 



Ion<]-eared0v\il 



W.V. Oct. -Mar. Fre- 

 quent about extensive areas of 

 marsh or weed-grown fields. 

 Usually occurs singly or in 

 pairs, but sometimes roosts in 

 considerable flocks, on the 

 ground. 



Owl 



