All,
This morning at 7:45 the previously reported Red-eyed Vireo was singing loudly and seen to the northwest from the bridge over the St. Vrain River, which is on the short east-west section of 63rd Street in northern Boulder County and about a mile south of Highway 66.
I then went to the Rabbit Mountain open space, which is 3 miles north of Hwy 66. While hiking there I saw 4 Sage Thrashers. I see them there regularly during migration, but was surprised to see them there in pairs at this time of year.
Cheers, Peter Gent.