Hugh, I have seen large mixed species Rosy Finch flocks on the brushy slopes of North Table Mountain here in Golden in winter feeding the way you described. I'm not sure if other finches would do this too, but the "rolling over" of the back ones flying over the front ones as you described is my exact experience also. It can make it surprisingly difficult to key in on getting views of the individuals.
On Thursday, January 13, 2022 at 4:33:56 PM UTC-7 [email protected] wrote: > No one reacted to my description of a mystery flock that Urling and I saw. > We watched about 100 small birds feeding on a brushy hillside. The birds in > back kept flying over the front ones -- until they all took off for parts > unknown. I thought they sounded like Rosy-finches, but Urling saw stripey > breasts. > > Do any of you have experience with flocking birds that act this way? > > Hugh > -- -- 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/41d82816-ea50-4250-aecd-8fac991a7d2dn%40googlegroups.com.
