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Paired oviducts

Now that the paired eggs within _Sinosauropteryx prima_ seem to agree with
assessments of paired egg-laying in _Oviraptor_ and _Troodon_ (based on the
pattern of eggs found in nests), I have a question.  Do some extant birds
also have paired oviducts?  Do crocodilians have paired oviducts?

-- Ralph Miller III     gbabcock@best.com