The Old Fort

Cowbirds

cowbirds drawing
Drs. Catherine and Joe Ortega, from the FLC biology department, have been studying cowbirds at SJBRC for 7 years.  Catherine released a book entitled Cowbirds and Other Brood Parasites in Fall, 1998.  They have published numerous publications using data collected at the Old Fort (referred to as the San Juan Basin Research Center) including:

Improved Methods for Aging Second Year and After-Second Year Male Brown Headed Cowbirds

Effects of Brown-Headed Cowbirds and Predators on the nesting success of Yellow Warblers in Southwest Colorado