Graduate Thesis Or Dissertation
 

Life History of the Northern Rubber Boa (Charina bottae) in Oregon

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/765378772

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  • The Northern Rubber Boa (Charina bottae) is a small, secretive boa native to the Pacific Northwest. Despite this being possibly the highest latitude boas and one of only two boas native to the continental U.S., it has received surprisingly little attention. Most of the research on the natural history of this species was published over 30 years ago and there is still a lot that is unknown about this species. The goal of this thesis is to remedy some of the knowledge gaps in three areas. The first is to provide a contemporary, in-depth taxonomic account of the species. The second is to supplement some deficiencies in the phenology and relative abundance of the species from a year-round field study. This work suggests that the Northern Rubber Boa is the most abundant snake species at the site studied and that the peak times of observations were in early spring and early summer for the year of the study. The third goal was to utilize one of the longest running snake recapture datasets to provide new information on growth, longevity, and reproduction in the species. This work showed that the rubber boa is slow growing, long-lived, and infrequently reproducing; all characteristics of a species with a slow life history. In addition, the species appears to now have the longest recorded lifespan of any wild snake species.
  • KEYWORDS: Herpetology, Life Sciences, Natural history, Autecology
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