If you know who David Attenbourgh is, you know this will be good, if u dont, well, he's quiet possibly the best Natrualist presenter ever :D
http://www.bbc.co.uk/sn/tvradio/programmes/lifeintheundergrowth/video.shtml
Ant video is bottom right of the list :)
Yes ,it is one specie of Polyrhachis :) ;)
In the workld is one more specie ,some Camponotus ,which live in one flower. Inside of that flover (it is like cup) is water ,and when some insect fall into ,that small and will go swim under water to keep it out and eat ;)
so no water islands for mangrov ants :D
Nice. ;) in deed Skippy i saw that in a video to.