.jpg">But what did that evolution look like,
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? And when did it happen? Insight into those questions comes from a study?published October 6 in Royal Society Open Science. Melinda Danowitz and colleagues at the New York Institute of Technology College of Osteopathic Medicine in Old Westbury analyzed neck vertebrae from 11 species — nine that are extinct,
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, modern giraffes (of course) and okapi. (Okapi look like a cross between a zebra and a deer,
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, but they belong to the same family as giraffes.)
Giraffes,
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, it turns out, are not the first species in their lineage to have a long neck — they just have the longest one. The species started off with a shorter neck, 7.5 million years ago,
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, when it first appeared on the scene, after which the neck became even longer. But the lengthening began even earlier in the giraffe’s lineage,
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, the fossil analysis revealed. The extinct Giraffa sivalensis,
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?shares some of the elongation features found in the modern giraffe. But even it wasn’t the beginning of the journey,
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. Two other extinct creatures from the giraffe family

http://users.atw.hu/jh...rum_topic&topic=13996

http://www13.plala.or....ite_roots/gwbbs/gwbbs.cgi

http://www.forumposter...c=12069.msg15300#msg15300