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Re: Vegavis gen. nov. - new anseriform in today's Nature



----- Original Message ----- From: "John Bois" <jbois@umd5.umd.edu>
Sent: Wednesday, January 26, 2005 5:40 PM


I believe there is fossils evidence that dromornithids nested in similar
loactions as emus...i.e., arid grasslands.  Dromornithids were probably
adapted to aridity.  In other words, fewer predators at nesting sites.  In
any case, emus follow a similar nesting strategy to ostriches...trying to
lose themselves in space.

This may all hold for *Genyornis*, but most other known dromornithids are simply older than Australia's oldest grasslands. *Bullockornis*, for example, lived in an ordinary tropical rainforest.