Common swifts have returned to nest in the Western Wall and other historic sites in Jerusalem this spring. The birds, known for their annual migration and long-term mating habits, utilize the crevices of ancient masonry as nesting grounds. Local observers noted several dozen nests at the Western Wall during the current season.
Researchers and local reporters noted that the species is facing habitat challenges. In Israel, recent Iranian missile strikes have disrupted some nesting locations. In Europe, the common swift population is in a general decline due to modern architectural trends. Smooth glass facades and sealed building envelopes in newer construction limit the available space for swifts to raise their young.
Conservation efforts for the species include the installation of wooden boxes or hollow bricks to provide alternative nesting sites. These birds are known for "screaming parties," a high-speed group flight behavior used to encourage fledglings to begin flying. Historically, the swifts have nested within Jerusalem's holy sites for thousands of years.