References
Reference sources for Owling.com
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Heimo Mikkola (2013). Owls of the World: A Photographic Guide
Claus König and Friedhelm Weick (2009). Owls of the World
Paul Johnsgard (2002). North American Owls : Biology and Natural History, 2nd Edition
JOHNSGARD PAUL A. (1988). North American Owls: Biology and Natural History
Josep del Hoyo and Andrew Elliott (1999). Handbook of the Birds of the World, Vol. 5: Barn Owls to Hummingbirds
Marianne Taylor (2012). Owls
Steve N.G. Howell and Sophie Webb (1995). A Guide to the Birds of Mexico and Northern Central America
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James W. Wiley. Food Habits of the Endemic Ashy-Faced Owl (Tyto glaucops) and Recently Arrived Barn Owl (T. alba) in Hispaniola
Maarten Flikweert, Tineke G. Prins, John A. de Freitas & Vincent Nijman. Spatial variation in the diet of the Barn Owl Tyto alba in the Caribbean
ADOLPHE O. DEBROT, JOHN A. DE FREITAS, ALEWIJN BROUWER, AND MARTEN VAN MARWIJK KOOY. The Curacao Barn Owl: Status and Diet, 1987-1989
U.S. Fish & Wildlife Service. Status Assessment and Conservation Plan for the Western Burrowing Owl in the United States Biological Technical Publication
Knut Eisermann and Steve N. G. Howell (2010). Vocalizations of the Guatemalan Pygmy-Owl (Glaucidium cobanense)
Kevin Hunting Studies of Western Birds LONG-EARED OWL (Asio otus)
Miller and Miller, Condor. THE CONDOR Vol. 61 A New Race of Screech Owl from Oaxaca.
ROBERT H. DAY, Erac P. KNUDTSON, DENNIS W. WOOLINGTON, ROBERT P. SCHULMEISTER (January 1979) Short Communications. Caprimulgus indicus, Eurynorhynchus pygmeus, Otus scops, and Limicola falcine!!us in the Aleutian Islands, Alaska
KEITH L. PARDIECK, J. MICHAEL MEYERS, AND MICHELLE PAGANS. Wilson Bull. (1996). SURVEYS OF PUERTO RICAN SCREECH-OWL POPULATIONS IN LARGE-TRACT AND FRAGMENTED FOREST HABITATS
R.J. Cannings (2004). “QUEEN CHARLOTTE” NORTHERN SAW-WHET OWL Aegolius acadicus brooksi. Accounts and Measures for Managing Identified Wildlife – Accounts V.
Knut Eisermann (2013). Vocal field marks of Unspotted Sawwhet Owl and Guatemalan Pygmy Owl
Michelle L. Kissling, Stephen B. Lewis, Daniel A. Cushing, Western Birds (2010). DIET OF THE WESTERN SCREECH-OWL IN SOUTHEAST ALASKA
Kyle McCarty (2007). Wildlife Field Notes Megascops kennicottii
Doris Hausleitner (2006). Inventory Methods for Owl Surveys* Standards for Components of British Columbia’s Biodiversity No. 42
Richard J. Cannings, Helen Davis (2007). The status of the Western Screech-Owl (macfarlanei subspecies) Megascops kennicottii macfarlanei in British Columbia
Kyle Elliott (2006). DECLINING NUMBERS OF WESTERN SCREECH-OWL IN THE LOWER MAINLAND OF BRITISH COLUMBIA
Pamela Zevit (2010). BC’s Coast Region: Species & Ecosystems of Conservation Concern Western Screech Owl kennicotii subpsecies (Megascops kennicottii kennicottii)
Wild Nature Institute (2016) New study shows logging, not fire, is degrading our national forests.