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Re: [dinosaur] Serikornis, new Jurassic theropod from China with transitional feathers

Gesendet: Mittwoch, 23. August 2017 um 09:20 Uhr
Von: "Tim Williams" <tijawi@gmail.com>

> It's suggested that _Serikornis_ was both a terrestrial cursor AND an
> arboreal climber:
> "[...] However, the manual digits of _Serikornis_ are long
> and slender with strongly curved unguals I and III. This supposed
> that they could have been effective for climbing trees as
> in _Archaeopteryx_ (Feduccia 1993; Manning et al. 2009;
> Wellnhofer 2009). In this way, the hindlimbs can be regarded
> as less specialized than the forelimbs for grasping."

For grasping what?

Prey rather than branches, I think. Just yesterday I got to see a little 
tyrannosaur skeleton with finger claws like an eagle's toe claws, but much less 
curved toe claws.