Skip to Main Content
Rainfall, El Niño, and reproduction of red-cockaded woodpeckersAuthor(s): Richard N. Conner; Daniel Saenz; Richard R. Schaefer; James R. McCormick; D. Craig Rudolph; D. Brent Burt
Source: Southeastern Naturalist. 4(2): 347-354
Publication Series: Miscellaneous Publication
PDF: Download Publication (436 KB)
DescriptionThis study examines the relationship between Red-cockaded Woodpecker (Picoides borealis Vieillot) reproduction and rainfall during May when group members are provisioning nestlings with food. Patterns of variation over a 4-year period of approximately 30 woodpecker groups suggested that the mean number of hatchling deaths was positively related to the amount of rainfall that occurred during May. During the same 4 years, the mean number of young fledged from nests appeared to be inversely related to May rainfall. Observations of nestling provisioning behavior during four breeding seasons indicate that group members slow down or stop feeding nestlings during periods of heavy rainfall. During a 20-year period, total May rainfall was related to the percentage of woodpecker groups producing fledgling-sized young in cavities (rs = -0.56, P = 0.0097) and the occurrence of El Niño events (rs = -0.50, P = 0.0347).
- You may send email to firstname.lastname@example.org to request a hard copy of this publication.
- (Please specify exactly which publication you are requesting and your mailing address.)
- 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.
CitationConner, Richard N.; Saenz, Daniel; Schaefer, Richard R.; McCormick, James R.; Rudolph, D. Craig; Burt, D. Brent. 2005. Rainfall, El Niño, and reproduction of red-cockaded woodpeckers. Southeastern Naturalist. 4(2): 347-354.
- Influence of habitat and number of nestlings on partial brood loss in red-cockaded woodpeckers
- Group size and nest success in red-cockaded woodpeckers in the West Gulf Coastal Plain: helpers make a difference
- Sociality and cooperativebredding of red-cockaded woodpeckers, Picoides borealis
XML: View XML