This is when they fly back en masse to their winter roost from a day's feeding which can be as much as 20 miles away.
As they return in their hundreds of thousands, there is safety in numbers as they constantly swirl and change formation to confuse predators.
Read more: http://www.dailymail.co.uk/news/article-1232385/Stunning-natural-display-thou...
@buckyballmusic Thanks mate - glad you liked it! It happens regularly at Brighton Pier :-)
JaglennPhotography 1 year ago
I just saw a segment about this in European journal - amazing! thanks for posting.
buckyballmusic 1 year ago