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Detecting prey from DNA in predator scats: A comparison with morphological analysis, using Arctocephalus seals fed a known diet Journal of Experimental Marine Biology and Ecology, 2007 (Ref: 12996)
Category 1: Peer-reviewed literature

The diet of free-living pinnipeds is most frequently estimated through identification of otoliths, squid mouth-parts and exoskeletons … of prey in scats. This is because, although important prey types may not always be detected, sample collection is non-invasive and … analysis is easy.

Diet estimation based on an integrated mixed prey feeding experiment using Arctocephalus seals. Journal of Experimental Marine Biology and Ecology, 2006 (Ref: 12288)
Category 1: Peer-reviewed literature

Food web models depend on identifying which taxa are eaten and in what proportion they are consumed. Arctocephalus … seals are generalist foragers and are an ongoing focus of Southern Hemisphere marine ecosystem research. This is the first … feeding experiment to use Arctocephalus spp.

Combining DNA and morphological analyses of faecal samples improves insight into trophic interactions: a case study using a generalist predator Marine Biology, 2007 (Ref: 12997)
Category 1: Peer-reviewed literature

Abstract The diet of pinnipeds is most commonly … inferred from morphologically diagnostic remains of prey … in their scats. Although this method can generate quantitative … estimates of diet simply, important prey types may not … always be detected.

What do seals eat? Detection of prey remains in seal scats: comparing hard part and DNA techniques. International Council for the Exploration of the Sea Annual Science Conference, Aberdeen, Scotland, 20-24 September 2005 (ICES CM2005/R:23), 2005 (Ref: 12221)
Category 3: Abstract

Molecular techniques have recently been used to identify prey in the scats of pinnipeds. This new approach has developed in an attempt to overcome some of the inadequacies of traditional diet assessment methods.

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