Red-Cockaded Woodpecker Foraging Behavior

Rudolph, D. Craig; Conner, Richard N.; Schaefer, Richard R.; Koerth, Nancy E.

doi:10.1676/03-066.1

Cited by 11 publications

(9 citation statements)

References 28 publications

(21 reference statements)

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“…Both males and females at SRS heavily used pine trees and at least 98% of all observations occurred there, similar to that reported by other studies (Ramey 1980;Zwicker and Walters 1999;Walters et al 2000Walters et al , 2002Rudolph et al 2007). I detected no difference between males and females in four of the groups and in all groups combined in use of different pine species.…”

Section: Discussionsupporting

confidence: 88%

“…Results of foraging ecology studies of male and female Red-cockaded Woodpeckers in regard to foraging method have not been consistent (Ramey 1980, Hooper and Lennartz 1981, Rudolph et al 2007. In my study, males scaled more than females in two groups, whereas females engaged more in probing.…”

Section: Discussioncontrasting

confidence: 53%

“…All studies that examined foraging height of Red-cockaded Woodpeckers have reported that males forage higher in trees than females (Hooper and Lennartz 1981, Engstrom and Sanders 1997, Rudolph et al 2007). However, in my study this was true of only two of the seven groups and all groups combined.…”

Section: Discussionmentioning

confidence: 99%

“…Further, most studies of Red-cockaded Woodpecker foraging behavior and habitat use have not differentiated observations by males and females; those that did noted differences in foraging behavior. Published studies have noted male/female variation in method of foraging, tree species selection, use of hardwoods, foraging height from the ground, foraging substrate, tree height selection, location, and tree condition (Skorupa 1979, Hooper and Lennartz 1981, Rudolph et al 2007). However, Zwicker and Walters (1999) found no difference in foraging in relation to tree age, diameter at breast height, or species between male and female Red-cockaded Woodpeckers in the Coastal Plain of North Carolina.…”

mentioning

confidence: 99%

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Red-cockaded Woodpecker Male/Female Foraging Differences in Young Forest Stands

Franzreb¹

2010

The Wilson Journal of Ornithology

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Section: Discussionsupporting

confidence: 88%

Section: Discussioncontrasting

confidence: 53%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Red-cockaded Woodpecker Male/Female Foraging Differences in Young Forest Stands

Franzreb¹

2010

The Wilson Journal of Ornithology

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“…Hardwood midstory encroachment may lead to less vertical separation among foraging individuals (Rudolph et al 2007), suggesting midstory encroachment in RCW foraging habitat directly influences foraging behavior. Impeded movement among forage trees due to midstory encroachment may be particularly important for breeding females due to their tendency to forage lower on pine boles (Hooper and Lennartz 1981, Rudolph et al 2002, Walters et al 2002.…”

Section: Midstory Encroachmentmentioning

confidence: 99%

Systematic Review of the Influence of Foraging Habitat on Red‐Cockaded Woodpecker Reproductive Success

et al. 2014

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Relationships between foraging habitat and reproductive success provide compelling evidence of the contribution of specific vegetative features to foraging habitat quality, a potentially limiting factor for many animal populations. For example, foraging habitat quality likely will gain importance in the recovery of the threatened red‐cockaded woodpecker Picoides borealis (RCW) in the USA as immediate nesting constraints are mitigated. Several researchers have characterized resource selection by foraging RCWs, but emerging research linking reproductive success (e.g. clutch size, nestling and fledgling production, and group size) and foraging habitat features has yet to be synthesized. Therefore, we reviewed peer‐refereed scientific literature and technical resources (e.g. books, symposia proceedings, and technical reports) that examined RCW foraging ecology, foraging habitat, or demography to evaluate evidence for effects of the key foraging habitat features described in the species' recovery plan on group reproductive success. Fitness‐based habitat models suggest foraging habitat with low to intermediate pine Pinus spp. densities, presence of large and old pines, minimal midstory development, and herbaceous groundcover support more productive RCW groups. However, the relationships between some foraging habitat features and RCW reproductive success are not well supported by empirical data. In addition, few regression models account for > 30% of variation in reproductive success, and unstandardized multiple and simple linear regression coefficient estimates typically range from ‐0.100 to 0.100, suggesting ancillary variables and perhaps indirect mechanisms influence reproductive success. These findings suggest additional research is needed to address uncertainty in relationships between foraging habitat features and RCW reproductive success and in the mechanisms underlying those relationships.

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Ecological value of retaining pyrophytic oaks in longleaf pine ecosystems

et al. 2014

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Species intolerant to fire, defined as lacking adaptations needed to establish dominance in a frequently burned landscape, are found within fire‐prone ecosystems globally. Such species are frequently targeted for reduction or eradication to further conservation or restoration of biological diversity because the dominant paradigm in restoration of fire‐dependent communities is to reduce the dominance or eliminate fire‐intolerant invaders. To explore this paradigm, we examined the role of oaks (Quercus spp.) within fire‐dependent upland and sandhill longleaf pine (Pinus palustris) ecosystems of the southeastern United States. These pine‐oak ecosystems have among the highest levels of biodiversity in the temperate zone. This diversity is inextricably linked to a frequent fire regime and includes many species readily top‐killed by fire, particularly oaks, which were common in the early settlement landscape. In examining the diversity of oak species found within longleaf pine ecosystems, we identify a group of pyrophytic oaks and show that these oaks are critical components of sandhill and other longleaf pine ecosystems, and their occurrence should be considered as part of conservation and restoration goals. Providing a better understanding of the ecological role of such species will benefit conservation management and strategic planning in fire‐prone southeastern ecosystems and more broadly where fire is used as a management tool. © 2014 The Wildlife Society.

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Red-Cockaded Woodpecker Foraging Behavior

Cited by 11 publications

References 28 publications

Red-cockaded Woodpecker Male/Female Foraging Differences in Young Forest Stands

Red-cockaded Woodpecker Male/Female Foraging Differences in Young Forest Stands

Systematic Review of the Influence of Foraging Habitat on Red‐Cockaded Woodpecker Reproductive Success

Ecological value of retaining pyrophytic oaks in longleaf pine ecosystems

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