Cover
Front matter OB Vol 27 #1 Apr2009
Ontario Birds
back matter OB Vol 27 #1 Apr2009
Ontario Birds
Contents
Population densities of Golden-winged Warbler, Blue-winged Warbler and their hybrids, in eastern Ontario
Laura E. King, Virginia J. Emery, Raleigh J. Robertson, Rachel Vallender, and Paul R. Martin
A Long-eared Owl x Short-eared Owl (Asio otus x A flammeus) specimen from Ontario
Michel Gosselin and Kristen Keyes
First nesting of American White Pelican on Lake Superior, Ontario, Canada
Cynthia Pekarik, Clive Hodder, D.V. Chip Weseloh, Carolyn Matkovich, Laird Shutt, Tom Erdman, and Sumner Matteson
Aberrantly-coloured eggs of Double-crested Cormorant (Phalacrocorax auritus) from Lake Huron
Michael Patrikeev, Scott Parker, and Jeff Truscott