Summary: When a Canyon Wren sings, the brilliance of its sweet music can stop you in your tracks. But when its cousin, the Marsh Wren (seen here), sings, you may reach for your earplugs. Why do two closely related birds sing such contrasting songs?
Summary: When a Canyon Wren sings, the brilliance of its sweet music can stop you in your tracks. But when its cousin, the Marsh Wren (seen here), sings, you may reach for your earplugs. Why do two closely related birds sing such contrasting songs?