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Discovery: Animals motivated by sex, food

Satellite tagging discovers that white sharks travel long distances each winter to concentrate in the Pacific for up to six months. While there, both males and females make frequent, repetitive dives to depths of 975 feet (300 meters), which researchers theorize may be significant in either feeding or reproduction.

So sharks do something extraordinary for sex or food. Wonder how the researchers figured that out?

Photo by Terry Gross via Wikimeida Commons and under GNU Free Documentation License.

3 comments to Discovery: Animals motivated by sex, food

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