Cuckoo… Cuckoo…” — the unmistakable springtime call of the Common Cuckoo echoes across meadows and forests, even though the bird itself is rarely seen. Enjoy this iconic sound of Europe's wild season.

SAINT CLAIR — Frank Buffalino loves cuckoo clocks, but he concedes having 50 tiny wooden birds going off at once is a bit much. “We used to have all our clocks set to the same time,” he recalled, “but ...