More about the reservoir balls - and a video
So, a layer of black plastic balls on the Ivanhoe Reservoir in Silver Lake. How, why, and for how long - the details about bird balls from Francisco Vara-Orta.
We've had lots of comments on this post and many of them included links. We can't publish URLs in comments (complicated legal reasons) so I'm posting the ones you sent - plus a few extras.
--Veronique de Turenne
Video: Brent Foster / Los Angeles TImes