Solo shows for Jane Wilson and Michelle Stuart in Chelsea, Indigenous art and a presentation about medicinal plant use in Southampton

In the arraignment Friday of Marc T. Dern, the Springs man accused of unintentionally killing a close friend, Kevin Somers of Amagansett, during a fight on Feb. 5, New York State Supreme Court Justice John B. Collins reduced Mr. Dern's bail to $150,000 cash or $1.5 million bond or partially secured bond — which, either way, would require a payment of $150,000.

This weekend is the 25th anniversary of the Great Backyard Bird Count. To participate, you spend a minimum of 15 minutes counting birds, and afterward report what you see to the number-cracking scientists at the Cornell Lab of Ornithology.