Interesting article on how and where birds sleep. I found most interesting the part about unihemispheric slow-wave sleep, which may let some of them sleep on the wing. http://www.slate.com/blogs/wild_things/2014/01/23/where_do_birds_sleep_roosting_in_nests_water_flocks_cavities.html Dan Smith dan@xxxxxxxxxxxxxxxxxxxxx 512-451-2632 http://www.wordsmithofaustin.com Edit your Freelists account settings for TEXBIRDS at //www.freelists.org/list/texbirds Reposting of traffic from TEXBIRDS is prohibited without seeking permission from the List Owner
