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from the dept. Removing what appears to be a predator at the top of the food chain may not necessarily save an endangered prey, a study in New Zealand by MJ Rayner, ME Hauber, et al. in PNAS has shown. While 32 percent of breeding burrows fledged a chick when both cats and rats were around, only 9 percent produced chicks after cats were removed from their breeding areas. The island finally got rid of its rats in 2004 and the breeding rates of petrels shot up to 59 percent. The study was published by MJ Rayner, ME Hauber, et al. in PNAS. See: http://uk.reuters.com/article/environmentNews/idUKHKG27370020071210 for more details. < 29th Symposium on Sea Turtle Biology and Conservation | CHCI accepting applications for appaarentice program >
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Knocking out top predator may not save prey
