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Reply	Giles says: glider pilots avoid thunder clouds because the updrafts are so strong that it is usually impossible to escape them and one gets disorientated....they can easily break up the aircraft (only very special aircraft will intentionally fly into them for research purposes)one glider that did survive (the pilot did not -lack of oxygen, cold) reached 53000ft (the barograph showed this)thunder clouds can reach 60+thousand feet in the tropicsdoes that count for "how high can a butterfly fly)No. That "counts" for some babbling about gliders and something about thunderclouds. You don't even mention butterflies. Fool.  (no votes) Tags: unanswered, animals, human body.
	posted on 2009-05-03 22:11:00 | Report abuse

Reply	Marty says: When hiking up Mt Lassen (California 10,462') I saw a large migrating group (hundreds of thousands) of Painted Lady butterflies (Vanessa cardui) in a ravine just below the summit. They did not appear to be having any difficulties at altitude, while I was gasping for breathe  (no votes) Tags: unanswered, animals, human body.
	posted on 2009-05-04 00:23:00 | Report abuse

Reply	Pat says: American butterflies very occasionally turn up in the British Isles. They could hardly do so without being swept along on the high-altitude wind currents sought out by airline pilots, suggesting that they at least do a little bit of flying at altitudes of six miles or more.  (no votes) Tags: unanswered, animals, human body.
	posted on 2009-05-04 14:03:00 | Report abuse

Reply	Anonymous says: I don't think any of these comments address the question. Perhaps migrating butterflies may fly high, but how high do normal local species fly?  (no votes) Tags: unanswered, animals, human body.
	posted on 2009-05-04 14:42:00 | Report abuse

Reply	Adrian says: Tibet supports a reasonable population of butterflies. A selection from Lhasa (3,650 metres/12,000 ft) can be found here http://www.flickr.com/photos/fsmodel/sets/72157594390518567, so I presume they can go higher.  (no votes) Tags: unanswered, animals, human body.
	posted on 2009-05-04 20:16:00 | Report abuse

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