Wednesday, October 10, 2012

Rocky Mountain Arsenal, Adams County

October 6, 2012

Bryan Ehlmann, Jacob Washburn, Ray Simmons and I birded Rocky Mountain Arsenal (Adams) for about four hours.

The two highlights included a Bay-breasted Warbler at the northeast corner of Lake Ladora and a female Black-throated Blue Warbler up the Rod & Gun Club Trail.

Chipping Sparrows were the most numerous birds.  Double-crested Cormorants came in second.  A few Orange-crowned Warblers and Yellow-rumped Warblers were at the southwest corner of Lake Ladora.

Overall, birding was a bit slow.  Another highlight was a late Western Kingbird west of the Rod & Gun Club Trail!


m.lohrentz said...

Speaking of Arsenal Refuge...I was there today (Oct 27) and could've sworn I saw a Red-throated Grebe on Lake Ladora. Anyone else ever see one there or in the Denver area? They are supposed to be quite rare apparently. I also saw Pied-Billed and Eared grebe and so was pretty confident it wasn't one of those. Anyone?

Birder Rich said...

To m.lohrentz:

There could have been. Rebecca and I briefly saw what we thought was a Red-necked Grebe. We got distracted by a Swamp Sparrow and never went back to confirm.

Records of Red-necked Grebe in area in last 15 years:
Barr Lake: 4
Denver (Marston Reservoir): 5
Arapahoe (Cherry Creek Reservoir):29