[EBB Sightings] Tilden hummer dive-bombing bluebird, and "albino" ??band-tailed pigeon??

Odds are that your white bird was an escaped or lost
domestic pigeon. Several folks in the Bay Area release
white doves; they are more rock dove size than
mourning dove size. A white BtPi is certainly
possible, tho.

When those male hummer hormones are flowing, they will
pretty much get into anybody's face, including mine!
I've even seen one attack a mylar balloon caught in
the huckleberries (that metallic sheen probably
mimiced the glint off metallic feathers). I had to
body surf the bushes into the canyon to get the
balloon; otherwise, it looked as tho that hummer would
exhaust itself trying to "drive off a competitor".
There are a lot of instinctive behaviors in birds,
which can be triggered by abnormal stimuli. 

Debbie Viess
 
--- David Couch  wrote:

> Late Sunday afternoon from the EBMUD Inspiration
> Point trail near the 
> parking lot in Tilden, we saw a very large, totally
> white pigeon 
> flying by,