Colorado Bluebird Project

Improving bluebird populations

The Colorado Bluebird Project operates under the guidance of the Audubon Society of Greater Denver and is offered through POST Partners in Castle Rock. This volunteer-run project aims to improve the vitality of bluebird populations throughout Colorado and to inform and educate the public about bluebirds. For more information, see the project overview sheet.

Volunteers of all ages are needed to assist with monitoring of the nest boxes from April through August. Additionally, volunteers are needed to help with nest box construction and repair of older nest boxes. Wondering what to expect as a volunteer? Check out this slideshow featuring photos provided by our volunteers from this past season.  

Educational Presentations

​Natural Resource Specialist, Barbara Spagnuolo, conducts two education presentations in late winter to prepare residents for the start of the Colorado Bluebird Project season. Learn about the program and how you can help bluebirds in Castle Rock or in your own backyard at the open house with comprehensive monitoring training offered separately. 

2018 Season wrap up

If you were unable to attend our end-of-the-season reception and presentation, but want to know how the season ended up, view the Natural Resource Specialist's presentation. Also, if you were a 2018 volunteer and are curious about the specific site you monitored, we can provide you with a site summary. Contact 720-733-2294 or email us for more information.

2019 Season Information

The 2019 season has started and the birds have started moving in. Although, our volunteers have all started monitoring their sites, if you are interested in learning more about the Colorado Bluebird Project or volunteering to be a nest-box monitor in the future, please fill out a CO Bluebird Project Volunteer Interest Form to get on our email notification list.

To apply to participate and volunteer in the Bluebird Program,
complete the
Individual Volunteer Application and Volunteer Waiver Form, and submit both forms to the POST Partners Volunteer Program Coordinator by EMAIL.

Feel free to download our Colorado Bluebird Project Volunteer Training Manual as a reference for either your backyard monitoring or as one of our nest-box monitoring volunteers. We encourage those installing nest boxes in their own yards to follow these guidelines.

Locations of bluebird nest boxes in Castle Rock

Bluebird boxes are located throughout Castle Rock on various public parks, trails, open space and school properties. View a map of all the locations.
  • Bison Park
  • Butterfield Crossing Park
  • Castle Rock Elementary
  • Cedar Hill Cemetery
  • Crystal Valley Ranch (at Sellars Gulch)
  • Douglas County High School
  • Faith Lutheran Church
  • Flagstone Elementary future park site
  • Flagstone Elementary School
  • Gateway Mesa interior
  • Gateway Mesa Open Space
  • Gemstone Park
  • Matney Park
  • Memmen Ridge Open Space
  • Mesa Middle School
  • Metzler Ranch Park 
  • Mitchell Gulch Park
  • Native Legend Trail (two sites)
  • Philip S. Miller Park
  • Plum Creek Park
  • Quarry Mesa Open Space
  • Red Hawk Ridge Golf Course (two sites)
  • Renaissance Magnet School
  • Rhyolite Regional Park
  • Sage Canyon Elem. School Open Space
  • Stewart Trail at Ridgeline Open Space
  • The Rock Church
  • Woodlands Bowl Open Space
  • Wrangler Park

Additional educational opportunities

The Town's natural resource specialist is available for educational presentations to schools, scout troops, volunteer groups and community organizations.


Thanks to these 2018 Colorado Bluebird Project volunteers. These more than 85 volunteers contributed 513 hours to help with the program and increase our Bluebird and Tree Swallow populations in Castle Rock.
  • Adrienne Lucas
  • Alyson Plummer
  • Angela Stowell
  • Art Morales
  • Barb Komdat
  • Beckie Collings
  • Bee Honegger
  • Bill Baird
  • Bonnie Buchold
  • Brian Peterson
  • Candace Montgomery
  • Castle Rock Elementary 5th & 6th Grade Students
  • Christie Einspahr
  • Christy Fletcher
  • Cindy Malone
  • Clear Sky Elementary School Students
  • Daniel Carlson & Family
  • David Crabb
  • Diane Sparks
  • Doris Rollins
  • Eli Shutz
  • Elizabeth  Inman
  • Eric & Kim Nydam
  • Erin Wetherbee
  • Eva Perry
  • Flagstone Elementary 5th Grade Students
  • Gary Walter
  • Glory Rae Hotko
  • Helga Meyer
  • Holly McClintock
  • Irina Ward
  • Jack Simmonds
  • Jammie Linn
  • Janet Harper
  • Jeff & Michele Nicholsen
  • Jennifer Lyon
  • Joanne Hoyt
  • Jon and Marylin Greeneisen

  • Judy & Terry Hostetler
  • Julia Tarbet/Michelle Masten
  • Karen Foreman
  • Karen Hager
  • Kathy O'Donnell
  • Kimber Morgan
  • Kimberly Tomey
  • Kimberly Winder
  • Lesley Siroky
  • Leslie Spencer
  • Linda & Sierra Gould
  • Lon Cohen
  • Lorenzo Urrutia
  • Marcy Jones
  • Maia Aman
  • Marianne Lynn
  • Matt Javernick
  • Megan Stancliffe
  • Mesa Middle School Atlas Bear Students
  • Michael Gauthier
  • Mildred Rollins
  • Nathan Stumpe
  • Patty Kraus
  • Paul & Marsha Tarasenko
  • Peggy Hupp
  • Phil Gulvin
  • Renaissance 1st & 2nd Grade Students
  • Renee Cazer
  • Robert & Rose Legge
  • Robert Caraveo
  • Roxann Hayes
  • Sage Canyon 2nd Grade Students
  • Sandi Aguilar
  • Sarah Corliss
  • Stacy Wagner
  • Stephanie Glavan
  • Sue McIntyre
  • Susanne Stech
  • Tarra Williams
  • Thomas Feeney
  • Tiffany & Harry Reckseen
  • Tim Miller & Lisa Graznak