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RE: Campbell's even crazier than a MANIAC? (archeopteryx climbing)



> > The foot of pelicans is pretty characteristic of a
> non-back-toe-pointing pes in 
> > an animal that can stand on branches and
> "perch". That toe cannot reverse, 
> > as in medially oriented..

Is it the same in Phalacrocoraciiformes? (*Limnofregata azygosternon* GMNH PV 
167 seems to suggest so)? If so, it is likely though not certain to have 
evolved independently from a largely vestigial and back-turned hallux. 

The two modern "totipalmate" lineages are not too close and are separated by a 
whole bunch of lineages which have no hallux of major importance and either 
have 3-toe full webs or insignificant webs.


Regards,

Eike

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