Bird sightings from the ­Massachusetts Audubon Society.

Vagrant and seasonally rare birds reported included the continuing two Northern lapwings on Nantucket, a Cape May warbler at a feeding ­station in North Andover, yellow-­breasted chats in ­Burlington and the Fenway section of Boston, a blue grosbeak at a feeding station in ­Merrimac, and a mew gull and a black-headed gull at King’s Beach on the Lynn-Swampscott line.