Vol. 45 No. 3 July 2011 Colorado Birds The Colorado Field Ornithologists’ Quarterly Remembering Abby Modesitt Chipping Sparrow Migration Sage-Grouse Spermatozoa Colorado Field Ornithologists PO Box 643, Boulder, Colorado 80306 www.cfo-link.org Colorado Birds (USPS 0446-190) (ISSN 1094-0030) is published quarterly by the Colo- rado Field Ornithologists, P.O. Box 643, Boulder, CO 80306. Subscriptions are obtained through annual membership dues. Nonprofit postage paid at Louisville, CO. POST- MASTER: Send address changes to Colorado Birds, P.O. Box 643, Boulder, CO 80306. Officers and Directors of Colorado Field Ornithologists: Dates indicate end of current term. An asterisk indicates eligibility for re-election. Terms expire 5/31. Officers: President: Jim Beatty, Durango, 2013;
[email protected]; Vice President: Bill Kaempfer, Boulder, 2013*;
[email protected]; Secretary: Larry Modesitt, Greenwood Village, 2013*;
[email protected]; Treasurer: Maggie Boswell, Boulder, 2013; trea-
[email protected] Directors: Lisa Edwards, Falcon, 2014*; Ted Floyd, Lafayette, 2014*; Brenda Linfield, Boulder, 2013*; Christian Nunes, Boulder, 2013*; Bob Righter, Denver, 2012*; Joe Roller, Denver, 2012* Colorado Bird Records Committee: Dates indicate end of current term. An asterisk indicates eligibility to serve another term. Terms expire 12/31. Chair: Larry Semo, Westminster;
[email protected] Secretary: Doug Faulkner, Arvada (non-voting) Committee Members: John Drummond, Monument, 2013*; Peter Gent, Boulder, 2012; Bill Maynard, Colorado Springs, 2013; Bill Schmoker, Longmont, 2013*; David Silver- man, Rye, 2011*; Glenn Walbek, Castle Rock, 2012* Colorado Birds Quarterly: Editor: Nathan Pieplow,
[email protected] Staff: Glenn Walbek (Photo Editor),
[email protected]; Hugh Kingery (Field Notes Editor),
[email protected]; Tony Leukering (In the Scope Editor), GreatGrayOwl@aol.