The full moon that rises on Saturday, Feb. 24 is called the “snow moon” in the Farmer’s Almanac, though we seldom see snow in temperate West Marin. Early risers may be seeing the bright planet Venus in the morning sky through April. Smaller, red-tinged Mars is also visible.

The recent spells of warm weather triggered the flight of numerous ladybugs, or ladybird beetles, from their winter resting places under oak leaf litter. On warmer days,…