Unfortunately, each year many of these site-faithful birds return to find access to their nest holes blocked by renovation works that have not taken account of their needs. Plastic soffits, fresh mortar or expanding foam may have sealed the entrance – and the fate of these swifts’ nesting opportunities. Nest bricks are inexpensive and need minimal maintenance Stephen Fitt, RSPB volunteerThis is where nest bricks come in. Fitt gently persuades them to adopt the swift brick in new developments, ideally at a ratio of one per dwelling. Swift bricks have been around for several years, but the designs have improved and prices have dropped massively.

Source: The Guardian May 18, 2021 06:00 UTC