I had one great horned owl hooting predawn about three weeks ago. It woke me up and I listened for a second one, but the hoots were all the same pitch and sounded like one owl. It must have been about 4:30 am.
Sent from my iPhone Elena Holly Klaver Federally Certified Court Interpreter Conference Interpreter 303.475.5189 > On Sep 22, 2018, at 1:39 PM, Wayne Wathen <[email protected]> wrote: > > My wife (Laura) and I also heard a Great Horned Owl sometime around 5:15 a.m. > in our area just west of Quebec and south of I-470 in our development > (Palomino Park) in Highlands Ranch. We are next to a golf course and there > are some large cottonwood trees in a ravine in the golf course. The owl may > and likely was hooting earlier but that was when we noticed it. My wife also > thought she was hearing another owl in the distance. She has better hearing > than I do. We have also seen them sitting on the tops of adjacent homes in > the past. > > Wayne Wathen > Highlands Ranch > From: [email protected] <[email protected]> on behalf of Kay > Niyo <[email protected]> > Sent: Saturday, September 22, 2018 12:56 PM > To: [email protected]; [email protected]; 'COBIRDS' > Subject: RE: [cobirds] Great-horned Owls--started hooting (Denver Co) > > My next door neighbor is hearing a Great Horned Owl between 10-12 p.m. in our > HOA just north of N Table Mt. He is from Duluth, MN and knows them well. I > played the Sibley calls on my phone for him and, Yep, that is exactly what he > heard and he said it sounded like it was on top of one of our roofs or one of > our 12-yr old trees! I must have slept through it! Will stay up later and > listen! He also saw a red fox sniffing around his front yard at that late > hour. > > I think there has been a pair of owls nesting on N Table Mt. Assume they > still are. > > Kay > > Kayleen A. Niyo, Ph.D. > Niyo Scientific Communications > 5651 Garnet St. > Golden, CO 80403 > 303.679.6646 > [email protected]; www.KayNiyo.com > > From: [email protected] <[email protected]> On Behalf Of DAVID > A LEATHERMAN > Sent: Saturday, September 22, 2018 10:27 AM > To: [email protected]; COBIRDS <[email protected]> > Subject: Re: [cobirds] Great-horned Owls--started hooting (Denver Co) > > Bob et al, > > What I have noticed in the past at Grandview Cemetery in Fort Collins is the > initiation of Great Horned Owl pair-bonding in late summer. I have not seen > it this year, but the pattern in the past has been as follows: > > > > During June and July thru most of August, adults are difficult to find but > seem mostly involved with teaching young from the previous spring the ropes. > The young birds are vocal (sound more like beginning cello students than > large owls), tend to move all around the cemetery, choose different roosting > spots, and, thus, the parents tend to move around, also. > > > > Usually in August things change. The status of the kids changes. In the big > eyes of their parents, what was yesterday a dependent is today viewed as > competition. No doubt pressured by the parents, the young disappear to start > their own lives elsewhere. > > > > Usually in late August I notice one parent, presumably the male, start > sitting in the huge, champion honeylocust in the southeastern part of the > cemetery. This magnificent tree is about 100 yards from the traditional nest > site in the crotch of a large American elm in the center of the cemetery. > > > > After a period of weeks extending into September, which may involve some > calling by the male at night when I am not present, he is joined by a second > bird in the honeylocust. When the second bird shows up, they often sit in > disparate parts of the crown. Over several days, if they decide "this is the > start of something big", the distance between them lessens and eventually > they literally sit shoulder to shoulder. Again, I am not there at night, but > I think this period of time involves calling back and forth, and rarely I > hear some of this during the daytime. I suspect that sort of thing may what > you and Greg have posted about. So, rather than "setting up a territory", I > think it is more pair-bonding, with the traditional territory, at least in > the case of the cemetery that I'm familiar with, being already established. > It's more a case of a long-term lease being extended. Some of the chatter > may be discussion of the terms, but I tend to think it is mostly about > commitments by the future tenants. > > > > Over the course of autumn into early winter, the birds tend to roost closer > and closer to the traditional nest tree. Lots of hooting during this time. > Around the turn of the year, the female seems to disappear, the male takes up > residence in a big spruce looking down on the nest elm, and then, bingo, some > time in late winter (January to early March), she appears in the nest crotch > and away the tedium and hard work of nesting progresses. > > > > At least this is how I interpret things in my patch. Certainly there could > be other reasons for hooting at any time of year but I would wager what you > report involves mate selection. Thanks for your posts, Bob and Greg. > > > > Dave Leatherman > > Fort Collins > > > > From: [email protected] <[email protected]> on behalf of Robert > Righter <[email protected]> > Sent: Friday, September 21, 2018 8:04 PM > To: cobirds > Subject: [cobirds] Great-horned Owls--started hooting (Denver Co) > > Hi > > On recent, loosening up the back, evening walks around the greater DU area in > Denver, I’ve detected Great-horned Owls hooting starting at 7PM and > continuing. Actually I’ve heard them hooting, to a lesser degree, during the > day. The extent of their hooting suggest they are already setting up > territories, the end of September! Anyone else hearing them? > > Bob Righter > Denver, CO > -- > You received this message because you are subscribed to the Google Groups > "Colorado Birds" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cobirds/1E42527F-288B-44A0-9028-3191BD8324D9%40earthlink.net. > For more options, visit https://groups.google.com/d/optout. > -- > You received this message because you are subscribed to the Google Groups > "Colorado Birds" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cobirds/CY4PR0601MB36031507CC836CC3CF272D31C1110%40CY4PR0601MB3603.namprd06.prod.outlook.com. > For more options, visit https://groups.google.com/d/optout. > -- > You received this message because you are subscribed to the Google Groups > "Colorado Birds" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cobirds/004a01d452a6%2402465700%2406d30500%24%40KayNiyo.com. > For more options, visit https://groups.google.com/d/optout. > -- > You received this message because you are subscribed to the Google Groups > "Colorado Birds" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cobirds/CY4PR19MB149429A26E98744239719D3DB3110%40CY4PR19MB1494.namprd19.prod.outlook.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/22DC48C7-C5D4-455A-9E81-EC16C9ABDCC7%40indra.com. For more options, visit https://groups.google.com/d/optout.
