Patterns of bird predation on reptiles in small woodland remnant edges in peri-urban north-western Sydney, Australia

Lyn Anderson, Shelley Burgin

    Research output: Contribution to journalArticlepeer-review

    31 Citations (Scopus)

    Abstract

    The predator-prey relationship plays an integral role in community structure. In the presence of habitat fragmentation, the dynamic interaction among co-existing species may be disrupted. In this paper we investigated the interaction between small skinks resident in open woodland remnants and the predatory birds that cross-forage between the remnants and the surrounding peri-urban matrix. Skinks were found in significantly fewer numbers in the edge of remnants compared to their core. In contrast, predatory birds were in largest numbers at the edge compared to the core of remnants. We found that there was a strong negative correlation between skink numbers and predatory birds (individually and combined) consistent with higher predation pressure in the edge compared to the core of remnants. Strike rates on decoys that mimicked skinks were also higher in the edge compared to core habitats, consistent with higher predation rates in this edge habitat.
    Original languageEnglish
    Pages (from-to)1039-1047
    Number of pages9
    JournalLandscape Ecology
    Volume23
    Issue number9
    DOIs
    Publication statusPublished - 2008

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