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1 July 2010 Survival of Feral Cats, Felis catus (Carnivora: Felidae), on Mauna Kea, Hawai'i, Based on Tooth Cementum Lines
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Abstract

Feral cats (Felis catus) have spread throughout anthropogenic and insular environments of the world. They now threaten many species of native wildlife with chronic depredation. Knowledge of feral cat population dynamics is necessary to understand their ecological effects and to develop effective control strategies. However, there are few studies worldwide regarding annual or lifetime survival rates in remote systems, and none on Pacific islands. We constructed the age distribution and estimated survival of feral cats in a remote area of Hawai'i Island using cementum lines present in lower canine teeth. Our data suggest annual cementum line formation. A log-linear model estimated annual survival ≥ 1 yr of age to be 0.647. Relatively high survival coupled with high reproductive output allows individual cats to affect native wildlife for many years and cat populations to rebound quickly after control efforts.

© 2010 by University of Hawai'i Press
Raymond M. Danner, Chris Farmer, Steven C. Hess, Robert M. Stephens, and Paul C. Banko "Survival of Feral Cats, Felis catus (Carnivora: Felidae), on Mauna Kea, Hawai'i, Based on Tooth Cementum Lines," Pacific Science 64(3), 381-389, (1 July 2010). https://doi.org/10.2984/64.3.381
Accepted: 1 August 2009; Published: 1 July 2010
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