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<http://www.treehugger.com/slideshows/natural-sciences/the-week-in-animal-news-apes-discuss-their-meal-hummingbird-tongues-and-more/www.treehugger.com/science/>
<http://www.treehugger.com/slideshows/natural-sciences/the-week-in-animal-news-apes-discuss-their-meal-hummingbird-tongues-and-more/>