Be a Good Bird Landlord With a Purple Martin House - Birds and Blooms
House Martin breeding
Fairy Martin - The Australian Museum
The House Martin Survey | BTO - British Trust for Ornithology
NestWatch | Purple Martin - NestWatch
Please give House Martins a chance - BirdGuides
How to do a nest change for your Purple Martins - Michigan Audubon
Purple Martin Time in Carolinas – The Edgefield Advertiser
Fairy Martin - eBird
House Martin on Arran - Arran Birding
House Martin | BTO - British Trust for Ornithology
Did you know a house martin's nest is made with 1,000 beak-sized pellets of mud? | Scottish Wildlife Trust
Western/Siberian House-Martin - eBird
Choosing Purple Martin Housing
Join in the purple martin competition - Farm and Dairy
House Martin On Nest Photos and Images | Shutterstock
Purple martins make great neighbors
Purple Martin 'Landlords' Manage a Different Kind of Tenant | Smithsonian's National Zoo and Conservation Biology Institute
Delichon - Wikipedia
Purple Martins: The Bird That Relies on Human-Built Nests - Cool Green Science
House martin - Norfolk Wildlife Trust
PIBO's Purple Martin nest... - Pelee Island Bird Observatory | Facebook
Purple Martins Need YOU!
