Cliff swallows abandon the California towns they once occupied each spring, then people gather to rebuild their homes and welcome them back with an annual festival |
Over centuries, the arrival of thousands of cliff swallows has transformed the skies above a small California town into one of the most famous wildlife spectacles in the United States. Each spring, these agile birds return almost like clockwork after migrating from South America, filling the air with their distinctive chirping sounds as they rebuild … Read more