Through all of spring and summer, swallows dart and sail overhead; their airborne grace a wonder to behold.
By October, the skies seem empty.
Most swallows have flown south, in search of insects. The eight species of swallows that nest in the United States, including this Cliff Swallow, pictured, left--migrate south to Central or even South America.
Watch for them again next spring and find out about Cliff Swallows and so many other birds at BirdNote!