On Jan 26, 2011, at 10:42 PM, Rob Studdert wrote: > "If a predator bird enters the flock, the starlings > initiate a veritable bombardment with droppings and vomit that soil > the feathers of the predator."
Yeah, I saw that. And in a related article on Wikipedia how they think maybe in migrating flocks birds able to sleep while flying, and possibly that in some species birds on the edges of the flock sleep on one side of the brain so that the eyes on the outside of the flock can see where it's going. ------------------------------------------------------------------------------------------ Eric Weir Decatur, GA USA eew...@bellsouth.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.