On the north end of my home is a nest site favored by eastern phoebes. Every year a pair shows up, sets up house, and raises a family. They arrive early in the spring, and I spend the long days of spring and summer watching them. At some point, the nest empties out, and then I know that summer will soon end and the phoebes will be on their way.

But exactly when they will be on their way is hard to predict. Fall’s migration tends to be a more open-ended process compared to spring’s, when the urgency to reproduce drives birds to arrive in the Northeast during a relatively short window of time. There is an almost explosive quality to the arrival of songbirds in March and April. One day we wake to the usual quiet of winter, and then the next there is a riot of trilling, chirping, calling, and singing.

As summer winds down, however, the volume diminishes slowly. In August, I still wake to bird songs, but there are fewer voices; the chorus isn’t as frenetic and rich. » Continue Reading.

Numerous amphibians and avian calls are enjoyed by Adirondack residents and visitors alike throughout spring and early summer, yet as the seasons progress, this music gradually subsides until by early autumn only a few bird voices can be heard amongst the fading background chorus of crickets.

Since singing requires an expenditure of energy, and advertising one’s presence increases the chance of attack by a nearby natural enemy, birds refrain from much vocalization after the breeding season ends. However, it is possible to hear the soulful call of the white-throated sparrow during the autumn, as there always seems to be an individual or two in one of the transient flocks spending time in the area that bellows out its characteristic “Old-Sam-Peabody-Peabody-Peabody” song. » Continue Reading.