Have you ever wondered how we know how many breeding pairs of osprey are on Martha’s Vineyard?

How did the American woodcock’s weird courtship flight get started?

This week’s new arrivals are eastern phoebes and a piping plover. Both species showed up on March 18.

Spring migration is underway! This was expected, as we had a stretch of warm days with generally southern winds.

What is going on with red-breasted mergansers? Why are these handsome ducks so scarce this winter?

Last week Lanny McDowell reported that Happy Spongberg spotted an osprey on Feb. 22, an unusually early date.