Bears are known nest predators on cavity nesting birds. They are know to rip open nests.
Chuck Hundertmark Lafayette, CO > On Jul 6, 2022, at 8:07 PM, 'Deborah Carstensen' via Colorado Birds > <[email protected]> wrote: > > My 2 cents worth: To me these marks look more like bear claw markings. I > don’t think a mountain lion would dig in so deeply into the bark or make such > a large hole to get to the young. > > Deb Carstensen, Arapahoe county > Sent from my iPhone > >> On Jul 6, 2022, at 5:39 PM, elena <[email protected]> wrote: >> >> Cara Stiles and I went to Caribou Ranch for the Indian Peaks Bird Count, >> and had a pair of Williamson’s Sapsuckers feeding young in a nest in an >> aspen tree. >> >> >> Elena Holly Klaver >> United States Court Certified Interpreter >> Conference Interpreter English < > Spanish >> 303.475.5189 >> Member: >> Colorado Association of Professional Interpreters (CAPI) >> American Translators Association >> Colorado Translators Association >> >> I acknowledge that I live in the territory of Hinóno'éí (Arapaho) and >> Cheyenne nations, according to the 1851 Treaty of Fort Laramie, and that >> Colorado's Front Range is home to the Ute and many other Native peoples. >> Reconozco que vivo en el territorio de las naciones Hinóno’éí (Arapaho) y >> Cheyenne, según el Tratado de Fort Laramie en 1851, y que el estado de >> Colorado al este de las Montañas Rocosas es territorio de los Utes y muchos >> otros pueblos indígenas. >> >> >> >> >>> On Jul 6, 2022, at 4:55 PM, Adrian Lakin <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> Yesterday, Kelly Ormesher and I hiked up Mason Creek Trail. We had several >>> wonderful encounters during the hike: a doe and her newborn fawn, a coyote >>> pack howling, a Violet-green Swallow entering a nest, beautiful >>> wildflowers, and lots of great birds. >>> >>> >>> We were specifically looking for sapsuckers and woodpeckers and when we >>> arrived at a known Williamson's Sapsucker nest site area, we found an Aspen >>> tree that looked like a bear had recently destroyed the nest hole. We >>> weren’t completely sure if this was the specific nest site as there were >>> many Aspens with nest holes in that same area, but I later confirmed with >>> Kathy Kay that it was the same tree where she had seen nestlings being fed >>> last week. >>> >>> >>> We took some photos of the claw marks and destruction to the nest site. >>> Kathy also suggested that they might be mountain lion claw marks based on >>> the pix I sent last night. >>> >>> >>> >>> We are wondering if anyone has experienced this before or has insight into >>> what animal would have left these marks. I've added a link to the pictures >>> below... >>> >>> >>> >>> Pictures <https://www.flickr.com/photos/ajlspix/albums/72177720300367043> >>> >>> Cheers, >>> >>> Adrian Lakin, >>> Mead, CO >>> >>> -- >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Colorado Birds" group. >>> To post to this group, send email to [email protected] >>> <mailto:[email protected]> >>> For more options, visit this group at >>> http://groups.google.com/group/cobirds?hl=en?hl=en >>> <http://groups.google.com/group/cobirds?hl=en?hl=en> >>> * All posts should be signed with the poster's full name and city. Include >>> bird species and location in the subject line when appropriate >>> * Join Colorado Field Ornithologists https://cobirds.org/CFO/Membership/ >>> <https://cobirds.org/CFO/Membership/> >>> --- >>> 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] >>> <mailto:[email protected]>. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/cobirds/a0f10434-6b77-4fd4-8833-fb8013fa6682n%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/cobirds/a0f10434-6b77-4fd4-8833-fb8013fa6682n%40googlegroups.com?utm_medium=email&utm_source=footer>. >> >> >> -- >> -- >> You received this message because you are subscribed to the Google >> Groups "Colorado Birds" group. >> To post to this group, send email to [email protected] >> For more options, visit this group at >> http://groups.google.com/group/cobirds?hl=en?hl=en >> <http://groups.google.com/group/cobirds?hl=en?hl=en> >> * All posts should be signed with the poster's full name and city. Include >> bird species and location in the subject line when appropriate >> * Join Colorado Field Ornithologists https://cobirds.org/CFO/Membership/ >> <https://cobirds.org/CFO/Membership/> >> --- >> 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] >> <mailto:[email protected]>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/cobirds/D638320C-30B4-4F37-9170-A563B16B0A98%40indra.com >> >> <https://groups.google.com/d/msgid/cobirds/D638320C-30B4-4F37-9170-A563B16B0A98%40indra.com?utm_medium=email&utm_source=footer>. > > > -- > -- > You received this message because you are subscribed to the Google > Groups "Colorado Birds" group. > To post to this group, send email to [email protected] > For more options, visit this group at > http://groups.google.com/group/cobirds?hl=en?hl=en > <http://groups.google.com/group/cobirds?hl=en?hl=en> > * All posts should be signed with the poster's full name and city. Include > bird species and location in the subject line when appropriate > * Join Colorado Field Ornithologists https://cobirds.org/CFO/Membership/ > <https://cobirds.org/CFO/Membership/> > --- > 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] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cobirds/22B86EF7-8311-4999-9A58-4EB3890ACD5D%40aol.com > > <https://groups.google.com/d/msgid/cobirds/22B86EF7-8311-4999-9A58-4EB3890ACD5D%40aol.com?utm_medium=email&utm_source=footer>. -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To post to this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/cobirds?hl=en?hl=en * All posts should be signed with the poster's full name and city. Include bird species and location in the subject line when appropriate * Join Colorado Field Ornithologists https://cobirds.org/CFO/Membership/ --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/A22758EE-EA26-44C7-8FE5-1A9EA621390E%40gmail.com.
