Birding and Banding Sites
Golden Wing Birding
Local bird guide Tom Wheatley offers a range of birding events and customized guided tours.
 Cornell Lab of Ornithology
You can also download a free app or bird identification - Merlin
Bird Studies Canada
Provides information on bird observatories across Canada as well as research stats from BSC.
Boreal Songbird Initiative
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.
Cats and Birds (Nature Canada initiative)
Help make Canada safer for birds and cats - resources, information and solutions
Breeding Bird Atlas of Ontario (2001-2005)
Excellent maps and data for all Ontario species
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.
Powdermill Avian Research Center
Exceptional close-up photos and information about banding birds at the Powdermill Nature Reserve in Westmoreland County, Pennsylvania. 
Important Bird Areas of Canada 
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