DIET OF THE RED-COCKADED WOODPECKER IN THE APALACHICOLA-NATIONAL-FOREST

Authors
Citation
Ca. Hess et Fc. James, DIET OF THE RED-COCKADED WOODPECKER IN THE APALACHICOLA-NATIONAL-FOREST, The Journal of wildlife management, 62(2), 1998, pp. 509-517
Citations number
29
Categorie Soggetti
Ecology,Zoology
ISSN journal
0022541X
Volume
62
Issue
2
Year of publication
1998
Pages
509 - 517
Database
ISI
SICI code
0022-541X(1998)62:2<509:DOTRWI>2.0.ZU;2-V
Abstract
Most territories of the largest population of red-cockaded woodpeckers (Picoides borealis; RCWs) in the western district of the Apalachicola National Forest (ANF) do not meet the current foraging-habitat requir ements in the recovery plan for this species. We suspect that more inf ormation about the relation between the diet of the RCW and its habita t is needed and would permit development of better guidelines for the ANF and other populations. We studied diets of adult and nestling RCWs and their relation to variation in habitat. We found that ants were t he dominant prey item by biomass (58%). Additional major items in stom achs of adult RCW's were other arthropods, fruits and seeds, and wood. Of the 4 species of ants present in samples, 74% of the biomass consi sted of eggs, lan ae, pupae, and adults of the arboreal ant Crematogas ter ashmeadi. Territories burned more frequently had pine trees (Pinus spp.) with a higher diversity of ant species and lower proportions of trees occupied, by C. ashmeadi than did territories burned less frequ ently. Also, stomach samples from adult male woodpeckers at frequently burned sites had lower proportions of ants, including C. ashmeadi. Mo re information is needed about the dynamics of interspecific relations within arthropod communities of longleaf Dine trees (P. palustris), t he importance of ants to the ecology of the RCW, and the relevance of variation in habitat to diets of RCWs.