Tom, It sounds more like a redpoll than a goose! But that is definitely the sound of ice, not the birds. I hear that all the time up here on the Great Lakes. It may have to do with differential expansion and contraction of different portions of the ice, or possibly influenced by water currents under the ice. -- Allen T. Chartier Inkster, Michigan Email: [log in to unmask] Website: www.amazilia.net Blog: http://mihummingbirdguy.blogspot.com/ On Sat, Jan 7, 2012 at 12:17 PM, Tom Domin <[log in to unmask]> wrote: > The gray Eastern Screech Owl, near Otterbein Lake, left its roosting > cavity at 5:43 PM on 01/06/2012. The cavity faces west and the sky was > clear. One rufous Eastern Screech Owl arrived at the Alum Creek Trail > bridge to roost for the day at 7:31 AM, the other at 7:36 AM this morning. > Sky was partly cloudy. The times for arriving and departing, for all three > owls, appear to be about 20 minutes before sunrise and 20 minutes after > sunset respectively. > Also, if you are of a mind to, please look at this 20 sec. clip and offer > your opinion as to the source of the strange sound. The ice was thin. > http://www.youtube.com/watch?v=UPSONSz8vo8 > Regards, > Tom > > ______________________________________________________________________ > > Ohio-birds mailing list, a service of the Ohio Ornithological Society. > Our thanks to Miami University for hosting this mailing list. > Additional discussions can be found in our forums, at > www.ohiobirds.org/forum/. > > You can join or leave the list, or change your options, at: > http://listserv.muohio.edu/scripts/wa.exe?LIST=OHIO-BIRDS > Send questions or comments about the list to: [log in to unmask] > ______________________________________________________________________ Ohio-birds mailing list, a service of the Ohio Ornithological Society. Our thanks to Miami University for hosting this mailing list. Additional discussions can be found in our forums, at www.ohiobirds.org/forum/. You can join or leave the list, or change your options, at: http://listserv.muohio.edu/scripts/wa.exe?LIST=OHIO-BIRDS Send questions or comments about the list to: [log in to unmask]