Prince Edward Point Bird Observatory - Birding Links
Links
Birding and Banding Sites
 
You can also download a free app or bird identification - Merlin
Provides information on bird observatories across Canada as well as research stats from BSC.
As the voice for boreal birds, the Boreal Songbird Initiative (BSI) is committed to protecting the Canadian Boreal Forest—the largest intact forest on Earth—on behalf of the billions of migratory birds that rely on it.
Breeding Bird Atlas of Ontario (2001-2005)
Excellent maps and data for all Ontario species
Dendroica
Pictures and calls of birds across North America
Nature Stuff
Site focusing on bird banding, birds and nature, in Prince Edward County.
This site contains the North American Banding Manual, Vol I, and links to other banding sites in North America and around the world.
Exceptional close-up photos and information about banding birds at the Powdermill Nature Reserve in Westmoreland County, Pennsylvania. 
Canada's Important Bird Areas program is a science-based initiative to identify, conserve and monitor a network of sites that provide essential habitat for Canada's bird populations.
Bird Calls