[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Sauropod Necks
you skip geese, herons, egrets, swans, cormorants, etc, in your long
neck species list, and we don't mention snakes either.
the long- neck birds are QUITE a bit more diverse than the giraffes are.
Rob Gay wrote:
> However, the only existing animal with a excedingly long neck is the
> giraffe, which uses it's neck for tree-top browsing, filling in a niche that
> it is not really competing with other animals for.
> However, there were a greater diversity of sauropods than there are
> giraffes. It would seem that so many of these large types of animals
> competing for the same food source could be quite taxing on the environment.
> Herds of Diplodocus and Apatosaurs roaming the terrain either all feeding on
> grasses, each eating a semi-circle with a 30' radius, or all feeding on tree
> branches, denuding all the foliage below 50' (using the tripod idea). Seems
> like an ecologicaly dangerous idea. Someone mentioned that these sauropods
> were like the first combined harvesters. Well, I don't know how much
> everyone here knows about agriculture, but in order for a crop to be
> productive, the same ground should not be planted again and again each year.
> This leaches the minerals and nutrients vital to plant growth from the soil.
> After several years, the total vegitation output is greatly reduced from the
> first year's harvest.
> I think that brachiosaurids are a different case than the diplodocids. It
> would seem that their longer front legs would exclude ground-level foraging.
Flying Goat Graphics
(Society of Vertebrate Paleontology member)