Denizen of the Reeds: The Secretive American Bittern
We have been experiencing a delightfully rainy winter this year in California's Great Central Valley. The hills and grasslands are green, wildflowers are blooming in abundance, and the valley's rivers and wetlands are full to the brim. While many of our overwintering birds have departed, the wilds and wetlands are still a flurry of spring activity as resident birds begin nesting and migrants return. On our recent trip to Merced National Wildlife Refuge, we came across one particularly fascinating bird of the wetlands: the American Bittern ( Botaurus lentiginosus ). Though not particularly rare, American Bitterns are secretive birds that generally prefer to stay hidden in thickets of reeds. During the spring mating season, one may hear their deep resonating "plum-plump" or "pump-er-lunk" call carrying great distances across the marshes. It is such a distinctive call, there's no mistaking it. And yet, hopeful birders can search and search