Skip to Main Content
Effect of mating status and time of day on Kirtland's warbler song ratesAuthor(s): Jack P. Hayes; John R. Probst; Don Rakstad
Source: The Condor 88:386-388
Publication Series: Scientific Journal (JRNL)
Station: North Central Research Station
PDF: View PDF (316.75 KB)
DescriptionKnowledge of factors affecting song rates is important because biologists use song in estimating or monitoring bird populations. Perhaps for no other species have song censuses played such a major role in population assessment and management as for the Kirtland`s Warbler (Dendroica kirtlandiz). In 1951, this endangered songbird was first censused within the known nesting range, which is restricted exclusively to Michigan (Mayfield 1953). The entire population was censused again in 1961 (Mayfield 1962) and every year after 1970. This information has been used to assess the response of this species to various management techniques (e.g., Brown-headed Cowbird [Molothrus ater] control). Recruitment to the population has been estimated by assuming that all singing males were paired (Mayfield 1975, 1983; Walkinshaw 1983; Probst, in press) and using known or inferred values for mortality rates, number of young fledged, and other demographic variables. Recently, Probst and Hayes (unpubl.) showed that a significant percentage of these singing males were probably unmated.
- Check the Northern Research Station web site to request a printed copy of this publication.
- Our on-line publications are scanned and captured using Adobe Acrobat.
- During the capture process some typographical errors may occur.
- Please contact Sharon Hobrla, email@example.com if you notice any errors which make this publication unusable.
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationHayes, Jack P.; Probst, John R.; Rakstad, Don. 1986. Effect of mating status and time of day on Kirtland''s warbler song rates. The Condor 88:386-388
KeywordsKirtland`s Warbler, Dendroica kirtlandii, song rates
- Relating Kirtland's warbler population to changing landscape composition and structure
- A test of 3 models of Kirtland's warbler habitat suitability
- Comparing census methods for the endangered Kirtland's Warbler
XML: View XML