Longtime birder and Alameda local Rick Lewis found the nest, and he’s been discreetly visiting it almost daily since. No sign of eggs yet, but the birds seem good so far—preening each other, and adding sticks to their nest.
Tag: nesting
Wildlife
Do Hummingbirds Reuse Nests?
After an unfortunate pruning accident, a reader wrote in to ask: do hummingbirds reuse nests?
Spring Issue 2010
A Bird in the Hole
Imagine raising your kids on a precarious bunch of sticks on a tree branch. Some birds had the same thought: Yikes! These cavity-nesters take shelter by excavating nest holes in trees, or by using existing holes–in trees, cliffs, buildings, bridges, tractors…
Winter Issue 2009
Kayaks and Breeding Birds at Alcatraz
The nearly vertical cliffs on the western side of Alcatraz Island serve as a nursery for several species of seabirds. These cliffs are the Bay’s only breeding site for Brandt’s and pelagic cormorants. In 1991, when PRBO Conservation Science began … Read more
Winter Issue 2009
Raptor Rapture
The Marin Headlands is justifiably renowned as a great place to see raptors. But did you know that the world’s highest density of breeding golden eagles is found near Altamont Pass? Indeed, the East Bay is a prime location for observing and studying native raptors, from prairie falcons nesting on cliffs near Mount Diablo to bald eagles fishing in local reservoirs and Cooper’s hawks snatching prey out of the air above the streets of Berkeley.
Archive, The Ocean, Wildlife
Ano Nuevo and Farallones Seabird Nesting Update
As we reported in our July-September 2006 feature The Ups and Downs of Coastal Upwelling, last year’s delayed coastal upwelling event proved catastrophic to animals that depend on this annual cycle of marine nutrients, and indications when we went to … Read more
