Breeding phenology and behavior of Rosenberg's goanna (Varanus rosenbergi) on Kangaroo Island, South Australia

Peggy Rismiller, Michael McKelvey, Brian Green

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    For 16 years, we have observed and recorded seasonal life cycles of individual free-ranging Rosenberg's Goannas, Varanus rosenbergi. These monitor lizards are normally solitary except during their annual summer breeding cycle. Activities and behaviors were documented from precourtship through to pairing, courtship, copulation, selecting and excavating an incubation chamber, egg laying, and finally guarding the egg mound before returning to a solitary life style. Whereas the sequence of breeding activities tends to follow a set pattern, the timing and duration of physical and physiological events vary from season to season. Courtship through to defending the egg mound occupies up to 4 months of the year, commencing just before the summer solstice and ending shortly after the autumn equinox.
    Original languageEnglish
    Pages (from-to)399-408
    Number of pages10
    JournalJournal of Herpetology
    Volume44
    Issue number3
    DOIs
    Publication statusPublished - 2010

    Fingerprint

    Varanus
    Macropodidae
    South Australia
    courtship
    phenology
    breeding
    egg
    summer
    copulation
    lifestyle
    lizards
    oviposition
    reproductive cycle
    autumn
    lizard
    duration
    life cycle
    incubation

    Cite this

    Rismiller, Peggy ; McKelvey, Michael ; Green, Brian. / Breeding phenology and behavior of Rosenberg's goanna (Varanus rosenbergi) on Kangaroo Island, South Australia. In: Journal of Herpetology. 2010 ; Vol. 44, No. 3. pp. 399-408.
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    abstract = "For 16 years, we have observed and recorded seasonal life cycles of individual free-ranging Rosenberg's Goannas, Varanus rosenbergi. These monitor lizards are normally solitary except during their annual summer breeding cycle. Activities and behaviors were documented from precourtship through to pairing, courtship, copulation, selecting and excavating an incubation chamber, egg laying, and finally guarding the egg mound before returning to a solitary life style. Whereas the sequence of breeding activities tends to follow a set pattern, the timing and duration of physical and physiological events vary from season to season. Courtship through to defending the egg mound occupies up to 4 months of the year, commencing just before the summer solstice and ending shortly after the autumn equinox.",
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    Breeding phenology and behavior of Rosenberg's goanna (Varanus rosenbergi) on Kangaroo Island, South Australia. / Rismiller, Peggy; McKelvey, Michael; Green, Brian.

    In: Journal of Herpetology, Vol. 44, No. 3, 2010, p. 399-408.

    Research output: Contribution to journalArticle

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    AB - For 16 years, we have observed and recorded seasonal life cycles of individual free-ranging Rosenberg's Goannas, Varanus rosenbergi. These monitor lizards are normally solitary except during their annual summer breeding cycle. Activities and behaviors were documented from precourtship through to pairing, courtship, copulation, selecting and excavating an incubation chamber, egg laying, and finally guarding the egg mound before returning to a solitary life style. Whereas the sequence of breeding activities tends to follow a set pattern, the timing and duration of physical and physiological events vary from season to season. Courtship through to defending the egg mound occupies up to 4 months of the year, commencing just before the summer solstice and ending shortly after the autumn equinox.

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