House Martin | BTO - British Trust for Ornithology
Examine a Nest to Identify Birds
Be a Good Bird Landlord With a Purple Martin House - Birds and Blooms
Purple Martins: The Bird That Relies on Human-Built Nests - Cool Green Science
Purple martins make great neighbors
Please give House Martins a chance - BirdGuides
Purple Martin 'Landlords' Manage a Different Kind of Tenant | Smithsonian's National Zoo and Conservation Biology Institute
House Martin On Nest Photos and Images | Shutterstock
Purple Martin Imposters
How to do a nest change for your Purple Martins - Michigan Audubon
Fairy Martin - The Australian Museum
Purple Martin Time in Carolinas – The Edgefield Advertiser
House Martins/swallows - No Birds Here!
Fairy martin - Wikipedia
PIBO's Purple Martin nest... - Pelee Island Bird Observatory | Facebook
Delichon - Wikipedia
The "Purple Passion" of North America's Purple Martin Landlords | All About Birds All About Birds
May Bird of the Month — Audubon Society of Northern Virginia
Join in the purple martin competition - Farm and Dairy
Purple Martin Nesting Enhancement | Midpeninsula Regional Open Space District
ChirpyNest @ Peaceful Valley Purple Martins
The House Martin Survey | BTO - British Trust for Ornithology
NestWatch | Purple Martin - NestWatch
Weekend Birding: Purple Martins and a Wren Update | Under My Apple Tree
