Past DFO Field Trips

This table shows all past DFO field trips for which data is available, sorted with most recent trips first. Click on details to view the trip description and buttons to view the eBird checklists of species seen below the table. A canceled trip is preceded by this symbol:

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Location	Date	Leader(s)	Participants
Audubon Kingery Nature Center and Trails	5/30/2025	Charles Chase	10
Foothills Birding: Sedalia to Cheeseman Reservoir	5/30/2025	Chris Blakeslee Paul Slingsby	7
Eastern Boulder County	5/29/2025	Peter Ruprecht	7
Lowell Ponds Open Space (Adams County)	5/29/2025	Patrick O'Driscoll Linda Purcell	6
Cherry Creek State Park	5/28/2025	Timothy Condon	12
Las Animas County	5/27/2025	Chuck Hundertmark Paul Slingsby	5
Chico Basin Ranch	5/26/2025	Jessica Miller	15
Deer Creek Canyon	5/26/2025	David Suddjian	8
Genesee Park (Denver Mountain Parks)	5/24/2025	David Suddjian Judy McKeon	10
Audubon Kingery Nature Center and Trails	5/23/2025	Charles Chase	12
Flying J Ranch (Jefferson County Open Space)	5/22/2025	Mary Geder	7
Roxborough State Park	5/22/2025	Bea Weaver	8
Louviers (town) and DuPont Open Space (Douglas County)	5/19/2025	Julia Gwinn David Suddjian	16
Denver City Park (Denver County)	5/19/2025	Patrick O'Driscoll	10
Chico Basin Ranch	5/19/2025	Jessica Miller	11
Common Poorwill Evening	5/18/2025	David Suddjian	7
Pawnee National Grasslands (Weld County)	5/18/2025	Jason Bidgood	12
Common Poorwill Evening	5/17/2025	David Suddjian	7
Tucker Gulch	5/17/2025	Ryan Corda	10
Southeast Arizona Sky Islands and Other Hotspots	5/15/2025	Joey Kellner	13
White Ranch Park (East) (JeffCo Open Space)	5/14/2025	Susan Blansett	6
Southeastern Colorado	5/12/2025	David Suddjian	8
Waneka Lake Park & Greenlee Preserve	5/12/2025	Benjamin Jacques	8
Denver Area Parks	5/10/2025	Nate Bond	5
Tucker Gulch	5/10/2025	Ryan Corda	9
Bluff Lake Nature Center	5/10/2025	Benjamin Jacques	10
Weld County Hotspots	5/9/2025	David Suddjian	6
Tucker Gulch	5/8/2025	Matthew Hazelgren	9
Rocky Mountain Arsenal NWR	5/7/2025	Carly Crow	15
Pella Crossing Open Space (Boulder County)	5/4/2025	Brian Genge Carly Crow	8
Southeastern Colorado	5/2/2025	Laura Steadman	13
Ponderosa Preserve (City of Aurora)	5/2/2025	Cynthia Cestkowski	11
Audubon Kingery Nature Center and Trails	5/2/2025	Charles Chase	8
Bear Creek Greenbelt	4/28/2025	Mary Geder	13
Audubon Kingery Nature Center and Trails	4/27/2025	Jordan Gerue Jason Bidgood	11
Staunton State Park (Jefferson County)	4/27/2025	Timothy Condon David Suddjian	12
Pueblo area	4/27/2025	Jessica Miller	5
Tucker Gulch	4/26/2025	Ryan Corda David Suddjian	11
Rocky Mountain Arsenal NWR	4/26/2025	Laura Steadman Archer Silverman	11
Prospect Park (Wheat Ridge Greenbelt)	4/26/2025	Cassandra Stroud	5
Southwestern Metro Area	4/25/2025	David Suddjian Anne Craig	10
Walden Ponds Wildlife Habitat/Sawhill (Boulder County)	4/23/2025	Chuck Hundertmark	6
First Creek at Green Valley Ranch	4/23/2025	Carly Crow	5
Prospect Park (Wheat Ridge Greenbelt)	4/21/2025	Matthew Hazelgren Carly Crow	8
Cherry Creek State Park	4/21/2025	Mary Keithler	12
Lagerman Reservoir	4/16/2025	Laura Steadman	10
Southeastern Colorado	4/15/2025	Gary Witt David Suddjian	8
Broomfield County	4/15/2025	Peter Ruprecht	6
Park County Reservoirs	4/14/2025	Joseph Tuttle	5
Waneka Lake Park & Greenlee Preserve	4/14/2025	Benjamin Jacques	7
Rocky Mountain Arsenal NWR	4/13/2025	Jason Bidgood	10
Northeastern Colorado	4/13/2025	David Suddjian	12
Clear Springs Ranch Regional Park (El Paso County)	4/12/2025	Megan Miller	7
Southeastern Colorado	4/7/2025	David Suddjian	11
Belmar Historic Park	4/6/2025	Nate Bond	10
South Platte River Trail at 88th Avenue and vicinity	4/4/2025	Charles Chase	8
Tucker Gulch	4/1/2025	Matthew Hazelgren Carly Crow	11
South Valley Park - Jefferson Co. OS	3/30/2025	David Suddjian Julia Gwinn	10
Rocky Mountain Arsenal NWR	3/30/2025	Jason Bidgood	10
Prospect Park (Wheat Ridge Greenbelt)	3/29/2025	Cassandra Stroud David Suddjian	10
South Platte River in Littleton	3/29/2025	Denise Reznicek	6
Littleton	3/25/2025	David Suddjian	8
Cherry Creek State Park	3/23/2025	David Suddjian	10
Bear Creek Greenbelt	3/21/2025	Anne Craig David Suddjian	10
Aurora Reservoir	3/21/2025	Cynthia Cestkowski	10
Walden Ponds Wildlife Habitat/Sawhill (Boulder County)	3/15/2025	Laura Steadman Donna Stumpp	9
Marjorie Perry Park Nature Reserve	3/15/2025	Nate Bond Max Miller	11
Chatfield State Park	3/15/2025	David Suddjian	11
Main Reservoir (Lakewood)	3/13/2025	Susan Blansett	8
Waneka Lake Park & Greenlee Preserve	3/10/2025	Benjamin Jacques	8
Southwest Metro Area Ponds and Lakes	3/9/2025	Amanda Baker	6
South Platte Park--South End	3/9/2025	Gigi Zarzuela David Suddjian	13
South Platte River Trail at 88th Avenue and vicinity	3/7/2025	Charles Chase	8
Prospect Park (Wheat Ridge Greenbelt)	3/2/2025	Gigi Zarzuela	11
Barr Lake State Park	2/23/2025	Jason Bidgood	9
Ken Caryl Valley Area	2/23/2025	David Suddjian	7
Waneka Lake Park & Greenlee Preserve	2/17/2025	Benjamin Jacques	7
Audubon Kingery Nature Center and Trails	2/16/2025	Carly Crow	8
Boulder County Raptor Tour	2/16/2025	Donna Stumpp	8
James A. Bible Park	2/16/2025	Gary Witt	5
Pella Crossing Open Space (Boulder County)	2/15/2025	Laura Steadman	6
Super Duck Sunday	2/9/2025	David Suddjian Gigi Zarzuela	11
DIA Raptor Alley	2/9/2025	Ajit Antony Liza Antony	7
Boulder County Raptor Tour	2/2/2025	Donna Stumpp Peter Ruprecht	11
Ken Caryl Valley Area	2/2/2025	David Suddjian	7
Washington Park	2/1/2025	Nate Bond Archer Silverman	11
Waneka Lake Park & Greenlee Preserve	1/27/2025	Benjamin Jacques	6
Waterton Canyon	1/26/2025	Wes Donnell	9
Bluff Lake Nature Center	1/25/2025	George Ho	9
Aurora Reservoir	1/17/2025	Cynthia Cestkowski	10
Colorado Eastern Prairie	1/16/2025	David Suddjian	5
Littleton	1/15/2025	David Suddjian	5
South Platte River Trail at 88th Avenue and vicinity	1/12/2025	Laura Steadman	12
Westerly Creek Park	1/12/2025	Jason Bidgood	7
DIA Raptor Alley	1/12/2025	Ajit Antony Liza Antony	6
Ken Caryl Valley Area	1/12/2025	David Suddjian	7
South Platte Park--South End	1/11/2025	David Suddjian	10
Aurora Reservoir and Cherry Creek State Park	1/10/2025	David Suddjian	3
El Paso County	1/8/2025	KIP MILLER	7
New Year's Birding Blitz	1/3/2025	David Suddjian	9
Pueblo area	1/1/2025	David Suddjian	16