Past Field Trips

The following table shows all past field trips for which data is available sorted with the most recent first.  Click on a trip name to view the details, including a link to the eBird checklist of species seen. You may filter the list to find trips to a specific location or led by a specific individual. A cancelled trip is preceded by this symbol:

Leader 2
Denver City Park (Denver County)
4/23/2017 7:30:00 AM
Chuck Hundertmark
We will focus on photography of the heronry and cormorant colony and documenting nesting status as part of DFO's Colonial Waterbird Nesting Project. Bring spotting scope and camera if you have them. Night-herons and egrets should be building nests, and cormorants will be well into the nesting cycle. Don't forget water, snacks, and sunscreen. <span style="font-weight: bold">Register online or contact leader</span>.
Bluff Lake Nature Center
4/23/2017 7:00:00 AM
Pratyaydipta Rudra
Sreemala Das Majumder
Bluff Lake offers a great range of habitat: wetland, yucca, and large cottonwoods. This attracts a variety of raptors and songbirds. Portable toilets are on site but no potable water. Paths are easy walking trails. However, there is a stair to go down to the trail. We’ll be walking about 2 miles. Bring plenty of water, snacks, sunscreen. Scopes are optional. <span style="font-weight: bold">Register online or contact leader</span>.
Cheyenne Bottoms & Quivira NWR, Great Bend, KS
4/22/2017 6:00:00 AM
Mary Cay Burger
<span style="font-weight: bold">This is a 3-day trip</span>. Experience Spring migration in the Central Flyway at the peak of shorebird season. See many eastern species, 100+ species possible. List at <a href=""></a>.  Bring scopes if possible. Arrive on your own in Great Bend, KS on Friday. Meet Saturday at 6 a.m. at the Quality Inn, 3500 10th St in Great Bend to bird Quivira NWR. Sunday at 5 a.m. we will go to Greater Prairie Chicken lek and bird Cheyenne Bottoms. Drive home Sunday afternoon. Expenses: Approx. 800 miles driving, 2 motel nights in Great Bend, 3 days meals, $25 fee to Kansas Wildlife for the lek. Contact leader for more details. Please try to carpool as much as possible. <span style="font-weight: bold">Register online or contact leader</span>.
Cañon City
4/16/2017 6:00:00 AM
Ira Sanders
Tammy Sanders
Expect to see Scaled Quail, Canyon Wren, Rock Wren, Ash-throated Flycatcher, Mountain Bluebirds. We can hope for Juniper Titmouse, Pinyon Jay, Gray Flycatcher, and Rufous-crowned Sparrow. We will visit Temple Canyon, Tunnel Drive, the River Walk, the Abbey and other places around Canyon City. Pack a lunch, snacks, plenty of water, and sunscreen. No park pass required. This will be mostly easy walking except at Temple Canyon. <span style="font-weight: bold">Register online or contact leader</span>. Be prepared to car pool.
Cameron Pass for Boreal Owls
4/15/2017 2:00:00 PM
Francis Commercon
Paul Slingsby
We will start at Moose Visitor Center for mountain specialties like rosy-finches, Pine Grosbeak, Northern Goshawk, Cassin’s Finch, etc. We will then return to Cameron Pass and hike out to the (pre-scouted) area where we will look for Boreal Owl after sunset. We will eat dinner on the trail and keep an eye out for American Three-toed Woodpecker. We will listen for Boreal Owl after dark. Two years we saw a porcupine...this trip is loads of fun!  This is a difficult trip. We will be snowshoeing for up to 6 miles with between 200-500 ft elevational gain. (Exact details will be determined with scouting prior to trip, contact us as date approaches.) We will be hiking in the mountains at high elevation at night. Bring your own dinner. Bring hand warmers and a headlight with extra batteries. Hats and gloves are required, and warm drinks in thermoses are suggested. Please bring your own snowshoes. We can provide limited pairs for those who don’t have them—let us know in advance if you will need snowshoes. <span style="font-weight: bold">Register online or contact leader</span>.  
Chico Basin Ranch
4/15/2017 6:00:00 AM
Mark Amershek
This is a fee area. We need volunteers with high clearance vehicles to drive on ranch roads. Let leader know if you can drive. Chico Basin Ranch is a working cattle ranch located in El Paso/Pueblo counties, southeast of Colorado Springs. The driving distance from Castle Rock will be approximately 100 miles, a little over two hours. The ranch will be birded by following the ranch roads in vehicles with stops to bird on level open areas such as ponds, wetlands, and grasslands. This will be an all-day trip so please bring water and lunch. Scopes will be handy but not necessary. A two-way radio per car would be helpful. We will bird until 4 p.m. and should be back at Castle Rock around 6 p.m. <span style="font-weight: bold">Register online or contact leader</span>.
Cherry Creek SP Wetlands Loop (Arapahoe County)
4/9/2017 8:00:00 AM
Karen von Saltza
This is a half day of walking that passes through most of the important habitats found in the park over a distance of about 3 miles. Trails could be slippery or muddy, so dress accordingly. Bring water and snacks; lunch is optional. Beginning birders are welcome. <span style="font-weight: bold">Register online or contact leader</span>.
Rueter-Hess Reservoir (Douglas Co.)
4/9/2017 7:30:00 AM
Mary Cay Burger
Tim Ryan, Parker Water Dept, will co-lead. We will first bird at the Barr CCC Park in Parker, which is next to Cherry Creek, to check for riparian birds. The next stop will be Rueter-Hess Reservoir, Parker Water Department's new reservoir not yet open to the public. There we could see grassland species and waterfowl. Bring binoculars, snacks, water, and sunscreen. <span style="font-weight: bold">Register online or contact leader</span>.
Rocky Mountain Arsenal NWR
4/8/2017 8:00:00 AM
Candice Johnson
We hope to see avocet and maybe other early shorebirds. We will drive the new 11-mile Wildlife Drive looking for raptors, so bring a 2-way radio if you have one. Be prepared to carpool because parking is limited at the lakes. Bison and deer are likely to be seen. We will only walk on level trails. Plenty of restrooms and pit toilets, but limited picnic space. <span style="font-weight: bold">Register online or contact leader</span>.
South Platte Park
4/2/2017 8:00:00 AM
Gregg Goodrich
We will walk up the South Platte for about two miles.  There should be early migrants in the riparian habitats in this corridor. <span style="font-weight: bold">Register online or contact leader</span>.
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