Talk:Deinonychus

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This is an old revision of this page, as edited by Scorpionman (talk | contribs) at 18:17, 4 March 2006 (→Image). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

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I can't upload it, but there is a decent image of a Deinonychus skull here. It's under the standard NSF license, which is acceptable per Wikipedia:Public domain image resources (though for some reason the {{NSFIL}} tag is not listed on Wikipedia:Image copyright tags). 68.81.231.127 22:26, 2 Dec 2004 (UTC)

Brain-to-body mass figure of 5.5?

The human brain-to-body mass ratio is about 2.2. See "Mass of a Human brain". This means that Deinonychus was not only smarter than a human being, it was even smarter than a mouse. Check the link. --Wetman 09:49, 23 Dec 2004 (UTC)

Not a straight ratio... the 5.5 looks about right when using Jensen's encephalization quotient. It's actually a ratio of brain mass to expected brain mass, which is calculated by using .67 power of total mass (tiny creatures, like mice, have a larger brain, and that adjusts for it). Here's a better discussion: [1]. Renaming it to encephalization quotient might fix the confusion. 68.81.231.127 15:33, 23 Dec 2004 (UTC)

I am also adding my two cent's worth. Brain size is NOT neccessarily correlated with intelligence or for that matter any other mental ability except in a gross sense. As an example, The Neandertals had very often larger brains than modern humans, but psychologically they were different and they appear to have had less creativity.

Image

Could someone please find a better image for this page? The drawing looks like a total joke; a cross between a puffin and a parrot. Scorpionman 18:14, 4 March 2006 (UTC)[reply]

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