Upcoming Field Trips

 

Click the Details button to view complete trip information and register for a trip. Trips highlighted in green are filled, but register to be added to the waiting list. Often, some original registrants drop out, opening spots to those on the waiting list. If you have symptoms of illness please be courteous of the welfare of other participants by canceling your registration for the trip.

Some field trips require carpooling with volunteer drivers so that we may lessen our impact on the environment, provide for logistical needs of having fewer vehicles, and improve the quality of the field trip experience. DFO recommends mileage reimbursement to volunteer carpool drivers of $0.50/mile divided by the number of persons in the car. This amount may be optionally reduced at the discretion of a driver. Riders should please come prepared to reimburse the driver at the conclusion of the field trip. 

Please note:

  • You must register as an individual (separate login) so that the liability waiver on file is attached to your registration.
    • If you are having trouble registering multiple individuals in the same family membership, please contact the Field Trip Chair (see "Leadership" list in the "About DFO" section of the website).

    Please help us make DFO field trips better. Read our condensed guidelines or even better, check out the full document BETTER BIRDING WITH DFO: How to Get the Most Out of Your Denver Field Ornithologists Field Trip.

    • eBird HotspotseBird Hotspot - site descriptions and photos (submit your additions)
    Key to Special Focus Trips
    Birds Plus+
    Birds Plus+
    Developing Birder
    Developing Birder
    Patch Birding
    Patch Birding
    Bird Song Focus
    Bird Song Focus
    Birding By Bike
    Birding By Bike
    Summer Hummers
    Summer Hummers
    Aiken Audubon Co-sponsored
    Aiken Audubon Co-sponsored
    Denver Audubon Co-sponsored
    Denver Audubon Co-sponsored
     WhereDateLeader(s)DifficultyMaximumRegistered
    Developing Birder Cherry Creek State Park (Developing Birder Trip)
    A popular birding area as the seasons change

    Wed, Mar 25
    8:00 AM - 11:30 AM
    David Suddjian
    Easy812
    Beaver Ranch Park
    looking for woodpeckers, maybe a Three-toed!

    Thu, Mar 26
    7:30 AM - 11:00 AM
    David Suddjian
    Moderate88
    Developing Birder James A. Bible Park (Developing Birder Trip)
    Fri, Mar 27
    8:00 AM - 11:00 AM
    Gary Witt
    Easy128
    Denver Audubon Co-sponsored Developing Birder Prospect Park (Wheat Ridge Greenbelt) (Developing Birder Trip)
    Weekly March Exploration

    Denver Audubon Co-sponsored

    Fri, Mar 27
    2:30 PM - 5:30 PM
    Ryan Corda
    Easy812
    Denver Audubon Co-sponsored Developing Birder Deer Creek Canyon (Developing Birder Trip)
    Denver Audubon Co-sponsored

    Sat, Mar 28
    8:00 AM - 12:00 PM
    David Suddjian
    Moderate811
    Denver Audubon Co-sponsored Developing Birder Belmar Historic Park (Developing Birder Trip)
    Early spring birds at Belmar!

    Denver Audubon Co-sponsored

    Sun, Mar 29
    8:00 AM - 10:30 AM
    Shay Lyons
    Easy1014
    Denver Audubon Co-sponsored Dinosaur Ridge
    Denver Audubon Co-sponsored

    Sun, Mar 29
    9:15 AM - 12:30 PM
    Jason Bidgood
    Strenuous1014
    Denver Audubon Co-sponsored Bailey Region (Park and Jefferson Counties)
    Denver Audubon Co-sponsored

    Mon, Mar 30
    6:00 AM - 2:00 PM
    David Suddjian
    Moderate814
    Patch Birding University of Colorado - Boulder, South Campus (CU South) (Patch Birding Trip)
    Wed, Apr 1
    7:30 AM - 11:00 AM
    Laura Steadman
    Moderate810
    Denver Audubon Co-sponsored Developing Birder Barnum Park and Weir Gulch (Denver) (Developing Birder Trip)
    Weir Gulch, mostly!

    Denver Audubon Co-sponsored

    Thu, Apr 2
    7:00 AM - 10:00 AM
    Linda Purcell
    Easy87
    Developing Birder Bear Creek Lake Park (Developing Birder Trip)
    Explore this popular park

    Fri, Apr 3
    8:00 AM - 11:00 AM
    Anne Craig & David Suddjian
    Moderate812
    Denver Audubon Co-sponsored Chatfield State Park
    Upstream from Kingfisher Bridge

    Denver Audubon Co-sponsored

    Fri, Apr 3
    8:00 AM - 11:00 AM
    Cynthia Breidenbach & Angela Grun
    Moderate1013
    Denver Audubon Co-sponsored Developing Birder Tucker Gulch (Developing Birder Trip)
    Weekly April Exploration

    Denver Audubon Co-sponsored

    Fri, Apr 3
    4:30 PM - 7:30 PM
    Ryan Corda
    Easy810
    Patch Birding Dawson Butte Ranch Open Space (Douglas County) (Patch Birding Trip)
    Mon, Apr 6
    7:00 AM - 12:30 PM
    Chris Gilbert
    Strenuous82
    Denver Audubon Co-sponsored Lincoln County
    Mountain Plovers near Karval

    Denver Audubon Co-sponsored

    Wed, Apr 8
    6:00 AM - 4:00 PM
    David Suddjian
    Moderate1218
    Patch Birding Anderson Park - WRGB (Patch Birding Trip)
    Thu, Apr 9
    7:00 AM - 11:00 AM
    Susan Blansett
    Easy107
    South Platte River Trail at 88th Avenue and vicinity
    Explore Birds and Ecology of the South Platte

    Fri, Apr 10
    8:00 AM - 10:30 AM
    Charles Chase
    Easy158
    Denver Audubon Co-sponsored Developing Birder Tucker Gulch (Developing Birder Trip)
    Weekly April Exploration

    Denver Audubon Co-sponsored

    Fri, Apr 10
    4:30 PM - 7:30 PM
    Ryan Corda
    Easy87
    Northeastern Colorado
    Search for Greater Prairie-Chicken and more

    Sat, Apr 11
    5:30 AM - 4:00 PM
    David Suddjian
    Strenuous1218
    Developing Birder Tucker Gulch (Developing Birder Trip)
    Spring into Spring with Tucker Gulch!

    Sat, Apr 11
    7:30 AM - 10:30 AM
    Lynn Slaga
    Easy86
    Denver Audubon Co-sponsored Dinosaur Ridge
    The only spring Hawk Watch in Colorado

    Denver Audubon Co-sponsored

    Sat, Apr 11
    8:15 AM - 1:00 PM
    Ajit Antony & Liza Antony
    Moderate125
    Developing Birder Bluff Lake Nature Center (Developing Birder Trip)
    Denver's #1 eBird Hotspot!

    Sun, Apr 12
    7:00 AM - 11:00 AM
    Jason Bidgood
    Moderate88
    Denver Audubon Co-sponsored Patch Birding Centennial Park and Nearby Hotspots (Patch Birding Trip)
    Spring at Centennial Park !

    Denver Audubon Co-sponsored

    Sun, Apr 12
    7:00 AM - 10:30 AM
    Linda Purcell
    Easy78
    Denver Audubon Co-sponsored Developing Birder South Valley Park - Jefferson Co. OS (Developing Birder Trip)
    Bluebirds, raptors, and other migrants

    Denver Audubon Co-sponsored

    Sun, Apr 12
    7:30 AM - 11:00 AM
    David Suddjian
    Moderate88
    Patch Birding Spruce Mountain Open Space (Douglas County) (Patch Birding Trip)
    Mon, Apr 13
    7:00 AM - 12:30 PM
    Chris Gilbert
    Strenuous83
    Patch Birding Sandstone Ranch Open Space (Douglas County) (Patch Birding Trip)
    Wed, Apr 15
    7:00 AM - 12:30 PM
    Chris Gilbert
    Moderate81
    Denver Audubon Co-sponsored Developing Birder Tucker Gulch (Developing Birder Trip)
    Weekly April Exploration

    Denver Audubon Co-sponsored

    Reg. opens 3/27/2026 at 12 pm
    Fri, Apr 17
    4:30 PM - 7:30 PM
    Ryan Corda
    Easy81
    Lagerman Reservoir
    Reg. opens 3/28/2026 at 12 pm
    Sat, Apr 18
    7:00 AM - 11:00 AM
    Laura Steadman
    Moderate81
    Denver Audubon Co-sponsored Dinosaur Ridge
    Denver Audubon Co-sponsored

    Reg. opens 3/28/2026 at 12 pm
    Sat, Apr 18
    8:30 AM - 1:00 PM
    Ajit Antony & Liza Antony
    Moderate122
    Patch Birding Columbine Open Space (Douglas County) (Patch Birding Trip)
    Reg. opens 3/29/2026 at 12 pm
    Sun, Apr 19
    7:00 AM - 12:30 PM
    Chris Gilbert
    Moderate81
    Patch Birding Lincoln Mountain Open Space, Douglas County (Patch Birding Trip)
    Reg. opens 3/31/2026 at 12 pm
    Tue, Apr 21
    7:00 AM - 12:30 PM
    Chris Gilbert
    Strenuous81
    Developing Birder Red Rocks Park (Developing Birder Trip)
    Reg. opens 4/1/2026 at 12 pm
    Wed, Apr 22
    6:45 AM - 9:30 AM
    Judy McKeon
    Moderate81
    Denver Audubon Co-sponsored South Platte Park--South End
    Denver Audubon Co-sponsored

    Reg. opens 4/3/2026 at 12 pm
    Fri, Apr 24
    8:00 AM - 11:00 AM
    Julia Gwinn
    Easy101
    Denver Audubon Co-sponsored Developing Birder Tucker Gulch (Developing Birder Trip)
    Weekly April Exploration

    Denver Audubon Co-sponsored

    Reg. opens 4/3/2026 at 12 pm
    Fri, Apr 24
    4:30 PM - 7:30 PM
    Ryan Corda
    Easy81
    Belmar Historic Park
    A birding walk before the "Gear Up & Get Out" sale

    Reg. opens 4/4/2026 at 12 pm
    Sat, Apr 25
    8:30 AM - 10:30 AM
    Shay Lyons
    Easy1
    Developing Birder Tucker Gulch (Developing Birder Trip)
    Spring into Spring with Tucker Gulch!

    Reg. opens 4/5/2026 at 12 pm
    Sun, Apr 26
    7:00 AM - 10:30 AM
    Lynn Slaga
    Easy81
    Aiken Audubon Co-sponsored Chico Basin Ranch
    Aiken Audubon Co-sponsored

    Reg. opens 4/6/2026 at 12 pm
    Mon, Apr 27
    5:00 AM - 3:00 PM
    Jessica Miller
    Moderate111
    Denver Audubon Co-sponsored White Ranch Park (West) (JeffCo Open Space)
    Denver Audubon Co-sponsored

    Reg. opens 4/7/2026 at 12 pm
    Tue, Apr 28
    6:15 AM - 12:00 PM
    David Suddjian
    Strenuous81
    Denver Audubon Co-sponsored Birds Plus+ Audubon Kingery Nature Center and Trails (Birds Plus+ Trip)
    Explore Birds and Ecology of the South Platte

    Denver Audubon Co-sponsored

    Reg. opens 4/10/2026 at 12 pm
    Fri, May 1
    7:00 AM - 10:30 AM
    Charles Chase
    Easy151
    Birding By Bike Denver Area Parks (Birding By Bike Trip)
    Reg. opens 4/11/2026 at 12 pm
    Sat, May 2
    7:00 AM - 1:00 PM
    Nate Bond
    Strenuous81
    Denver Audubon Co-sponsored Developing Birder South Valley Park - Jefferson Co. OS (Developing Birder Trip)
    Bluebirds, raptors, and other migrants

    Denver Audubon Co-sponsored

    Reg. opens 4/11/2026 at 12 pm
    Sat, May 2
    7:30 AM - 11:00 AM
    David Suddjian
    Moderate81
    Aiken Audubon Co-sponsored Pueblo area
    Aiken Audubon Co-sponsored

    Reg. opens 4/12/2026 at 12 pm
    Sun, May 3
    6:00 AM - 4:00 PM
    Jessica Miller
    Moderate121
    Genesee Park (Denver Mountain Parks)
    Reg. opens 4/15/2026 at 12 pm
    Wed, May 6
    6:45 AM - 10:00 AM
    Judy McKeon
    Easy81
    Denver Audubon Co-sponsored Clear Creek Trail
    Clear Creek Birding Adventure #4 - N Pecos - I25

    Denver Audubon Co-sponsored

    Reg. opens 4/23/2026 at 12 pm
    Thu, May 14
    6:30 AM - 10:00 AM
    Linda Purcell
    Easy81
    Denver Audubon Co-sponsored Birds Plus+ Audubon Kingery Nature Center and Trails (Birds Plus+ Trip)
    Explore Birds and Ecology of the South Platte

    Denver Audubon Co-sponsored

    Reg. opens 4/24/2026 at 12 pm
    Fri, May 15
    7:00 AM - 10:30 AM
    Charles Chase
    Easy151
    Developing Birder Tucker Gulch (Developing Birder Trip)
    Spring into Spring with Tucker Gulch!

    Reg. opens 4/25/2026 at 12 pm
    Sat, May 16
    7:00 AM - 10:30 AM
    Lynn Slaga
    Easy81
    Denver Audubon Co-sponsored Developing Birder Common Poorwill Evening (Developing Birder Trip)
    Denver Audubon Co-sponsored

    Reg. opens 4/25/2026 at 12 pm
    Sat, May 16
    7:15 PM - 9:15 PM
    David Suddjian
    Moderate81
    Aiken Audubon Co-sponsored Birds Plus+ Paint Mines Interpretive Park (Birds Plus+ Trip)
    Including El Paso County Hotspots

    Aiken Audubon Co-sponsored

    Reg. opens 4/27/2026 at 12 pm
    Mon, May 18
    5:00 AM - 2:00 PM
    Linda Purcell & Judy McKeon
    Moderate102
    North-Central New Mexico and South-Central Colorado
    Explore scenic Colorado and New Mexico

    Reg. opens 4/29/2026 at 12 pm
    Wed, May 20 - Fri, May 22
    5:30 AM - 6:00 PM
    David Suddjian
    Strenuous81
    Denver Audubon Co-sponsored South Platte Park--South End
    Denver Audubon Co-sponsored

    Reg. opens 5/1/2026 at 12 pm
    Fri, May 22
    8:00 AM - 11:00 AM
    Cynthia Breidenbach & Julia Gwinn
    Easy102
    Denver Audubon Co-sponsored Developing Birder Common Poorwill Evening (Developing Birder Trip)
    Denver Audubon Co-sponsored

    Reg. opens 5/3/2026 at 12 pm
    Sun, May 24
    7:15 PM - 9:15 PM
    David Suddjian
    Moderate81
    Aiken Audubon Co-sponsored South Republican SWA
    Aiken Audubon Co-sponsored

    Reg. opens 5/7/2026 at 12 pm
    Thu, May 28
    5:30 AM - 5:30 PM
    Gary Witt
    Strenuous121
    Aiken Audubon Co-sponsored Birds Plus+ Audubon Kingery Nature Center and Trails (Birds Plus+ Trip)
    Explore Bird Banding and Ecology of the S. Platte

    Aiken Audubon Co-sponsored

    Reg. opens 5/8/2026 at 12 pm
    Fri, May 29
    7:00 AM - 10:30 AM
    Charles Chase
    Easy151
    Chatfield State Park - Marina sandspit
    Reg. opens 5/9/2026 at 12 pm
    Sat, May 30
    7:00 AM - 11:00 AM
    Joey Kellner
    Moderate1
    Tamarack Ranch State Wildlife Área
    Reg. opens 5/21/2026 at 12 pm
    Thu, Jun 11 - Fri, Jun 12
    1:00 PM - 4:00 PM
    Gary Witt
    Strenuous91
    Flying J Ranch (Jefferson County Open Space)
    Flying J Ranch

    Reg. opens 5/23/2026 at 12 pm
    Sat, Jun 13
    7:00 AM - 11:30 AM
    Lynn Slaga
    Moderate81

    Click on an icon for some basic trip details

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