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Originally Posted by snake  I sat watching them for three or four minutes and the way she flew about gives me no call for concern. |
Sounds good snake ... maybe it was just a wink after all.
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Originally Posted by Kayleigh I think if she was blind or had impaired vision on that eye she would compensate quite well, other senses kick in as long as she didn't loose sight in both eyes. |
Can't agree with that Kayleigh ... and that was the point of my concern, as to be effective hunters BOP's really rely on excellent binocular/stereo vision in order to properly judge spatial distances ... any error in judgement could have disatrous consequences. It wouldn't prevent her continuing to feed on carrion or ground invertibrates of course, so a temporary injury need not be totally detrimental.
Birds with a severe visual impairment in just one eye are usually extremely hesitant about taking to flight at all, so if snake observed her doing aerobatics then it's clear that she is probably able to see well enough with both.