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Reply	silvino says: When you are standing in mud under shallow water you can be absorbed in and then will be dificult to leave. Standing in one leg and changing frecuently, it is posible to overcame this efect. I know this because I use to stand in these conditions for fishing.  (no votes) Tags: animals, planet earth.
	posted on 2008-10-23 16:07:00 | Report abuse

Reply	silvino says: If you are standing in mud under shallow water, your feet are being slowlly sucked by the mud. Standing in one foot and changing with adequate frecuency the foot you wiil avoid to get involved too deep in the mud. I know this because i use to fish in this conditions and sometimes was difficult to fly after standing in to legs  (no votes) Tags: animals, planet earth.
	posted on 2008-10-23 16:17:00 | Report abuse

Reply	Anonymous says: A pigeon the other day was doing that too but because it had half a foot.I think keeping warmth and heat in sounds a plausible explanation for standing on one foot.It is amazing though the steady balance birds have yet we cant stand on one foot for very long in comparison.  (no votes) Tags: animals, planet earth.
	posted on 2008-10-24 02:24:00 | Report abuse

Reply	Anonymous says: Don't many birds have very efficient counter-current heat exchangers in their legs to protect from the cold?Maybe we should ask someone with knowledge of Australian Aboriginal culture why standing on one leg seems to work for them. Could there be a connection?A prophylactic against deep vein thrombosis (assuming the legs are changed now and then)?  (no votes) Tags: animals, planet earth.
	posted on 2008-11-06 15:58:00 | Report abuse

Reply	Dave Bolton says: I think this was considered at length a few years ago. I recall the final conclusion was that standing on one leg reduces the probability of Ducks hitting the delicate legs which these birds tend to have.  (no votes) Tags: animals, planet earth.
	posted on 2008-11-30 22:12:00 | Report abuse

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