Carol et al.: According to the Birds of North America account for Yellow-billed = Cuckoo, which represents the most current and comprehensive knowledge about the species, there is very little information about the mating system of = this species. Therefore, it is difficult to say whether they mate for life. I suspect they do not, seeing as most songbirds do not mate for life. One factor that can play a role in whether pairs stick together for more = than one breeding season is whether or not they were successful in raising = young. A female is more likely to return to a male if they successfully raised young to fledging the previous year, but that is not an absolute rule. David Aborn Chattanooga, TN =================NOTES TO SUBSCRIBER===================== The TN-Bird Net requires you to SIGN YOUR MESSAGE with first and last name, CITY (TOWN) and state abbreviation. You are also required to list the COUNTY in which the birds you report were seen. The actual DATE OF OBSERVATION should appear in the first paragraph. _____________________________________________________________ To post to this mailing list, simply send email to: tn-bird@xxxxxxxxxxxxxx _____________________________________________________________ To unsubscribe, send email to: tn-bird-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field. ______________________________________________________________ TN-Bird Net is owned by the Tennessee Ornithological Society Neither the society(TOS) nor its moderator(s) endorse the views or opinions expressed by the members of this discussion group. Moderator: Wallace Coffey, Bristol, TN wallace@xxxxxxxxxxxxxxxxxxx ------------------------------ Assistant Moderator Andy Jones Cleveland, OH ------------------------------- Assistant Moderator Dave Worley Rosedale, VA __________________________________________________________ Visit the Tennessee Ornithological Society web site at http://www.tnbirds.org * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ARCHIVES TN-Bird Net Archives at //www.freelists.org/archives/tn-bird/ EXCELLENT MAP RESOURCES Topographical Maps located at http://topozone.com/find.asp Tenn.Counties Map at http://www.lib.utexas.edu/maps/states/tennessee3.gif Aerial photos to complement google maps http://local.live.com _____________________________________________________________