On 15 Jul 1999 04:20:03 GMT, flefever at ix.netcom.com(flefever) wrote:
snipped
>>Also saw something about dolphins, e.g. REM in one hemisphere at a
>time, but in one of these newsgroups; no references.
>>F. LeFever
>Many species of birds also do this. They keep one eye open for
predators and this requires one half of their brain to be active.
A recent study confirming this was published in Nature, vol 397 p 397
Sorry, I've lost the title, but the researchers were Niels Rattenbor
et al, from Indiana State at Terre Haute
Ian