Bobcat ecology on developed and less-developed portions of Kiawah Island, South Carolina
Griffin, John Christopher
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Kiawah Island is a 3,200 ha coastal barrier island located near Charleston, SC. Most of the island s western end (WE) has been developed into a recreational, resort community; the eastern end (EE) is mostly undeveloped. From December 1999 to January 2001, we monitored 14 radio-collared bobcats (Lynx rufus) (7 males and 7 females) to compare home and core range size, daily and seasonal movement rates, reproduction, survival, and dispersal between the 2 portions of the island. We found that WE bobcats have larger home and core range sizes as well as increased movement rates. During spring and summer 2000, we located dens to document reproduction and observed that 5 of 6 adult female bobcats produced litters of 2-3 kittens each, for a total of 12 kittens. Reproductive success did not differ between the WE and EE of the island. Three radio-collared bobcats died, all of which occupied the more developed WE of the island. In early 2001, a radio-collared EE juvenile male dispersed off Kiawah Island and moved to an adjacent island.