Completely unexpected is a sighting of a black-necked stilt on April 8. It is a vagrant on the Atlantic Coast.

The bird of the week is a prothonotary warbler, first spotted by Maria Thibodeau at Sheriff’s Meadow Sanctuary on April 8.

I wrote last week that the flood gates had opened, signaled by the arrival of multiple osprey, greater yellowlegs, piping plovers and double-crested...

Here they come! We have numerous documented osprey sightings.

No confirmed osprey sightings have been reported as of my writing this column.

Multiple observers found tree swallows on Feb. 24, and many found red-winged blackbirds as of Feb. 23.