Re: Hot secret behind toucan's bill

[Augusto Haro <augustoharo@gmail.com>]

And the enlarged beak of phorusrhacids, which is hollow as that of the
toucan... may this apply to many hollow pneumatic prominences/"horns"
in Theropoda?

2009/7/23 Tim Williams <tijawi@yahoo.com>:
> Dann Pigdon <dannj@alphalink.com.au> wrote:
>
>
>> > Interesting article and video on thermoregulation in
>> toucans.
>>
>> I wonder if cassowary casques may play a similar role?
>
>
> Or the casques of oviraptorids.
>
>
> Cheers
>
> Tim
>
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>