The new moon on March 2 prompts some higher morning tides of six feet or more, with corresponding extra-low afternoon tides good for beach combing.

A sign of springlike weather: the emergence of ladybugs. Also known as ladybird beetles, they overwinter either in oak leaf litter or in large masses that can be seen around Devil’s Gulch and Muir Woods. As the air warms, they venture out to look for food, such as aphids. You…