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 Washington Park (Developing Birder Trip)
    Weekly Duck Round-up!

    Fri, Nov 6
    6:45 AM - 8:00 AM
    Ryan Corda
    Easy84
    Mountain Lakes and Scoter Trip
    Sat, Nov 7
    5:00 AM - 6:00 PM
    Joey Kellner
    Strenuous1211
    Aiken Audubon Co-sponsored Lake Pueblo State Park
    Aiken Audubon Co-sponsored

    Sat, Nov 7
    6:00 AM - 4:00 PM
    David Suddjian
    Moderate811
    Downtown Denver
    Crow Roost Observation

    Sat, Nov 7
    4:30 PM - 5:30 PM
    Jason Bidgood
    Easy126
    Developing Birder Washington Park (Developing Birder Trip)
    Weekly Duck Round-up!

    Fri, Nov 13
    6:45 AM - 8:00 AM
    Ryan Corda
    Easy82
    Denver Audubon Co-sponsored Developing Birder Littleton Leader's Choice (Developing Birder Trip)
    Denver Audubon Co-sponsored

    Sat, Nov 14
    8:00 AM - 11:00 AM
    David Suddjian
    Easy811
    Denver Audubon Co-sponsored Developing Birder Prospect Park (Wheat Ridge Greenbelt) (Developing Birder Trip)
    Denver Audubon Co-sponsored

    Sat, Nov 14
    8:00 AM - 10:30 AM
    Cassandra Stroud & Dawn Baudek-Smith
    Easy1014
    Rocky Mountain Arsenal NWR
    South Side Hotspots

    Sun, Nov 15
    8:00 AM - 12:00 PM
    Jason Bidgood
    Moderate814
    Denver Audubon Co-sponsored Developing Birder Cherry Creek State Park (Developing Birder Trip)
    A late fall look at the lake

    Denver Audubon Co-sponsored

    Mon, Nov 16
    6:30 AM - 10:30 AM
    David Suddjian
    Easy1213
    Northeast Colorado and nearby Nebraska
    Geese, ducks hawks in an out-of-state exploration!

    Wed, Nov 18 - Fri, Nov 20
    6:00 AM - 6:00 PM
    David Suddjian & Ryan Corda
    Strenuous86
    Chatfield State Park
    Drop-in Sunrise Sit at Lakeview (new location)

    Thu, Nov 19
    6:15 AM - 8:00 AM
    Cynthia Breidenbach & Joey Kellner
    Easy7
    Denver Audubon Co-sponsored South Platte Park and Carson Nature Center
    Cooley Lake Restricted Access Area

    Denver Audubon Co-sponsored

    Fri, Nov 20
    9:00 AM - 12:00 PM
    Cynthia Breidenbach & Julia Gwinn
    Moderate1521
    Denver Audubon Co-sponsored Developing Birder South Platte River Trail at 88th Avenue and vicinity (Developing Birder Trip)
    Denver Audubon Co-sponsored

    Sat, Nov 21
    8:00 AM - 11:00 AM
    Cassandra Stroud & Kelly Hollar
    Easy1012
    Denver Audubon Co-sponsored Developing Birder Prospect Park (Wheat Ridge Greenbelt) (Developing Birder Trip)
    Late fall at a birder's favorite spot!

    Denver Audubon Co-sponsored

    Sun, Nov 22
    7:30 AM - 10:30 AM
    Shay Lyons
    Easy1011
    Denver Audubon Co-sponsored Developing Birder Greenwood Gulch and Marjorie Perry Nature Preserve (Developing Birder Trip)
    Join us for a pre-Thanksgiving birding walk!

    Denver Audubon Co-sponsored

    Tue, Nov 24
    9:00 AM - 12:00 PM
    Sue Summers & Denise Reznicek
    Moderate1213
    Denver Audubon Co-sponsored Wild Turkey Search at South Platte Park
    Thanksgiving Day Wild Turkey Search

    Denver Audubon Co-sponsored

    Thu, Nov 26
    9:00 AM - 12:00 PM
    Cynthia Breidenbach & Julia Gwinn
    Moderate167
    Aiken Audubon Co-sponsored El Paso County
    Black Friday Birding at El Paso hotspots

    Aiken Audubon Co-sponsored

    Fri, Nov 27
    6:30 AM - 3:00 PM
    David Suddjian & Jessica Miller
    Moderate122
    Developing Birder Washington Park (Developing Birder Trip)
    Weekly Duck Round-up!

    Fri, Nov 27
    6:45 AM - 8:00 AM
    Ryan Corda
    Easy81
    Developing Birder Centennial Park and Nearby Hotspots (Developing Birder Trip)
    Studying winter habitat and species!

    Reg. opens 11/7/2026 at 12 pm
    Sat, Nov 28
    8:30 AM - 11:30 AM
    Linda Purcell
    Easy61
    Developing Birder Leyden Lake in Arvada (Developing Birder Trip)
    Reg. opens 11/8/2026 at 12 pm
    Sun, Nov 29
    8:30 AM - 11:00 AM
    Shay Lyons
    Easy91
    Developing Birder South Platte Littleton to Denver (Developing Birder Trip)
    Scientific names "only" - a learning challenge!

    Reg. opens 11/11/2026 at 12 pm
    Wed, Dec 2
    8:00 AM - 12:00 PM
    David Suddjian & Coreen Spellman
    Moderate102
    Rosy-Finch Ramble
    Mountain Finches and other Mountain Birds!

    Reg. opens 11/14/2026 at 12 pm
    Sat, Dec 5
    6:30 AM - 3:00 PM
    David Suddjian & Anne Craig
    Easy82
    Denver Audubon Co-sponsored South Platte Park--South End
    Denver Audubon Co-sponsored

    Reg. opens 11/27/2026 at 12 pm
    Fri, Dec 18
    9:00 AM - 12:00 PM
    Cynthia Breidenbach & Julia Gwinn
    Moderate102
    South Platte River Trail at 88th Avenue and vicinity
    Reg. opens 11/28/2026 at 12 pm
    Sat, Dec 19
    8:00 AM - 11:00 AM
    Cassandra Stroud & Kelly Hollar
    Easy102

    Click on an icon for some basic trip details

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