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There's a big flaw in the NPR writeup. The research is on head tracking, but the writeup leads with an example of head + eye tracking, which is a much more diff
by judk 13y ago
There's a big flaw in the NPR writeup. The research is on head tracking, but the writeup leads with an example of head + eye tracking, which is a much more difficult-to-test but more important hypothesis.
- GeneralMayhem 13y agoYeah, I thought that was a little odd too, but remember that birds can't move their eyes, so for them the two are equivalent.
- colanderman 13y agoThis… this is almost certainly why chickens' heads track more "smoothly" than humans. We don't need our heads to track; our eyes can with much less effort.