Some lovely new books.
Topical and easy to read is Kerlinger, Paul and Pat Archer Illus),
How Birds Migrate, Stackpole Books (
www.stackpolebooks.com), 1995.
In four volumes, for browsing, try Sandilands, Al and Ross James (illus),
Birds of Ontario: Habitat Requirements, Limiting Factors & Status UBC Press (
www.ubcpress.ca) 2005.
It comes in hardcover versions ($90+) & the cheaper softcover versions ($40) are just being released. (I bought the first volume.)
The 4 volumes:
1--Nonpasserines: Waterfowl through Cranes
2--Nonpasserines: Shorebirds through Woodpeckers
3--Passerines: Flycatchers through Waxwings
4--Passerines: Wood-warblers through Old World Sparrows.