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Index of Subjects Thank you for the sites. I am exploring them. If you have a bit more time to share, I have a couple more questions. I could ask them back channel if you would prefer. It is about remains of creatures on or about our property. The calling we heard most recently was a great horned owl from the sounds I ahve been able to listen to on the computer and a Cd someone lent me. The shriek was telling as well. The other calls I hear I haven't heard as yet. Marg Millard mmillard@eastlink.ca http://margmillard.ca ----- Original Message ----- From: "Randy Lauff" <randy.lauff@gmail.com> To: <naturens@chebucto.ns.ca> Sent: Thursday, November 22, 2007 12:01 PM Subject: Re: [NatureNS] Boreal Birds moving south this winter > On 22/11/2007, Margaret E.Millard <mmillard@eastlink.ca> wrote: >> >> I am curious about these owls. ..I would say from the calls I have two, >> at >> least, different owls; one might be a saw whet (very small) and the other >> is >> big. I think I found the remains of a saw whet. > > > Large owls do eat smaller owls. There are other predators of small owls as > well. Many birders in your area should be able to identify the calls for > you, if necessary. > > Is there anyone here abouts working on owls? I assume they are coming in >> looking for rodents and the bunnies White Point Beach resort is so famous >> for. The bunnies are moving out and 2 - 3 have moved up here. > > > As far as I know, there is no one else in NS working on owls other than > Susann Myers and me <http://people.stfx.ca/rlauff/research/Owls.html>. > Susann coordinates the owl surveys in Cape Breton, and is compiling data > on > abundance and distribution. There are many volunteers for the Nocturnal > Owl > Survey <http://www.bsc-eoc.org/national/nationalowls.html>. There are some > serious hobbiests, and some casual hobbiests who have nest boxes set out > for > owls. > > Full-grown rabbits are prey largely for the Great Horned Owl, and nothing > else. Even though the Barred Owl is close to the same size as the GHOW, > they > typically go for smaller stuff, including part-grown rabbits. One of my > Boreal Owls had a partial right dentary (a lower jawbone) from a juvenile > hare in its nest...but that's about the size limit for that species. > Saw-whets are small mammal specialists (not just rodents), but one of my > nests had the remains from eleven sparrows in it. > > Randy >> _________________________________ >> RF Lauff >> Way in the boonies of >> Antigonish County, NS. >
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