Inside Ontario's fight to save declining barn swallows, one birdhouse at a time | CBC News
Thousand Islands Life Magazine, Swallows are hurting...
Barn Swallow | Audubon Field Guide
Barn Swallow Nesting Cup Locally Crafted – Bird House Nature Company
Hinterland Who's Who - Barn Swallow
Inside Ontario's fight to save declining barn swallows, one bird house at a time - Toronto | Globalnews.ca
Barn Swallow selection of artificial nesting structures orientated towards suitable foraging habitat
Barn Swallows and social cues – BECO
Artificial Barn Swallow Nests : 5 Steps (with Pictures) - Instructables
Bird Sounds and Songs of the Barn Swallow | The Old Farmer's Almanac
Barn Swallow Nest Cups
Species at Risk Profile – Barn Swallow - South Shore Joint Initiative
Barn Swallows and social cues – BECO
Hinterland Who's Who - Barn Swallow
CREATING NESTING HABITAT FOR BARN SWALLOWS
Housing Barn Swallows at Rondeau | Ontario Parks
COLUMN: Tree swallows are welcome visitors (7 photos) - Orillia News
Barn Swallow Nest Cups – Unique Birdhouse Boutique
CREATING NESTING HABITAT FOR BARN SWALLOWS
Hinterland Who's Who - Barn Swallow
Protecting Barn Swallows | Highway 407
NCC: Land Lines Deciphering the nesting behaviour of barn swallows: What are THEY looking for?
Save the barn swallow: Build them a nest and they will come back | FarmersForum.com
Barn swallow - Wikipedia
CREATING NESTING HABITAT FOR BARN SWALLOWS
Barn Swallow Nesting Cup Locally Crafted – Bird House Nature Company
Barn Swallow Nest Cups to the Rescue! – Unique Birdhouse Boutique
