Due to the location, the following are not birds that cannot be chased. However, it is an FYI that they are passing through the county and perhaps incentive to sign up for one of the Pinello Ranch guided bird hikes :-)
http://www.ppcf.org/pinello-ranch/ Seen at Pinello Ranch (private area, only accessible during scheduled bird walks) during a guided hike on 5/2/2015:
Dozens of Yellow-rumped Warblers, Myrtle and Audubon
4 Yellow Warblers
Many Orange-crowned Warblers
2 Black-and White Warblers
plus 52 other species
Seen after the scheduled hike by David Rudin and myself
Many more Yellow-rumped (and another Yellow) Warblers
Nashville Warbler
WORM-EATING WARBLER
Happy spring migration to all!
Gloria Nikolai
Colorado Springs, Colorado (El Paso County)