Wall-Mounted House Martin Colony – Vivara Pro
House martin building nest under eaves of house in Northern Greece Stock Photo - Alamy
Help protect House Martin nests - BirdGuides
House Martins/swallows - No Birds Here!
Nest cups – House Martin Conservation UK & Ireland
House Martins – David at the HALL of EINAR
Swan's snippets: Artificial nests for house-martins - The Field
The house martin - Saga
House Martin breeding
Species of the day: House Martin | Sussex Wildlife Trust
House martins in dire decline because 'homeowners are destroying their nests' | Daily Mail Online
HOUSE MARTINS 2024 – Jonathan Pomroy
Cooperative defence of colonial breeding house martins (Delichon urbicum) against nest-usurping house sparrows (Passer domesticus)
House Martin - BirdWatch Ireland
Almost Wordless Wednesday: House Martins | The Anxious Gardener
Delichon - Wikipedia
14 facts about house martins – The Devon House Martin Project
Western house martin - Wikipedia
House Martin Nest (Double) | CJ Wildlife
House martin: song, nest & migration - Plantura
House martins: July bird of the month - The English Garden
Swallows and House Martins Desperately Need Our Help - Valencia Birding - Guided Bird Watching in Spain
House Martin Box success | Three Amigos Birding
Common House Martin Facts, Habitat, Diet, Predators, Pictures
House Martin (Delichon urbicum) - Woodland Trust
