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California Islands Symposia Documents

 

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  • Breeding Land Birds of the Channel Islands 
    Diamond, Jared M.; Jones, H. Lee (National Park Service, 1980)
    Biologists are familiar with the thought that islands have unique scientific value as natural laboratories where the mainland species pool is reshuffled by differential immigration, extinction, and evolution to form new ...
  • The Present Status of the Garter Snake on Santa Catalina Island, California 
    Brown, Timothy W. (National Park Service, 1980)
    For 33 years, only two specimens of the garter snake (Thamnophis couchi hammondi) were recorded for Santa Catalina Island and the status of this species remained unknown. In August 1974, a small population was discovered ...
  • Distribution of Bats of the California Channel Islands 
    Brown, Patricia E. (National Park Service, 1980)
    The power of flight has preadapted bats for island colonization. This accounts for their disproportionately high representation in the terrestrial mammalian fauna of the California Islands. Of the eighteen species of native ...
  • Divergence in the Island Night Lizard Xantusia riversiana (Sauria: Xantusiidae) 
    Bezy, R. L.; Gorman, G. C.; Adest, G. A.; Kim, Y. J. (National Park Service, 1980)
    The island night lizard, Xantusia riversiana Cope (Fig. 1), is found only on Santa Barbara, San Clemente, and San Nicolas Islands off southern California (Fig. 2). The species is sufficiently divergent in morphology from ...
  • Breeding Biology of the Santa Cruz Island Scrub Jay 
    Atwood, Jonathan L. (National Park Service, 1980)
    The Santa Cruz Island Scrub Jay, Aphelocoma coerulescens insularis. is a genetically isolated population limited in its geographic distribution to Santa Cruz Island, Santa Barbara County, California. This insular form ...