Note that some sources may be links for videos in the "Videos" page. That is because they provide some information on what water spouts can actually do. Even though some may be videos, they are still very reliable. Also note that there are no links for "Does water temperature affect a waterspout's strength?" This is because that information was obtained in an actual experiment testing that question.
Bibliography
Links for water spout destruction:
http://www.weather.com/video/grand-isle-destruction-caught-on-camera-28518
http://video.foxnews.com/v/1977449344001/massive-waterspout-causes-destruction-on-australian-coast/
http://www.weather.com/video/grand-isle-destruction-caught-on-camera-28518
http://video.foxnews.com/v/1977449344001/massive-waterspout-causes-destruction-on-australian-coast/
Links for water spout definition, differences to tornadoes, and dangers they propose:
http://weather.about.com/od/weathertutorials/f/tornformation.htm
http://australiasevereweather.com/techniques/moreadv/funnels.htm
http://weather.about.com/od/weathertutorials/f/tornformation.htm
http://australiasevereweather.com/techniques/moreadv/funnels.htm
Links for what water spouts do:
http://library.thinkquest.org/C003603/english/tornadoes/waterspouts.shtml
http://www.phenomena.org.uk/tornadoes/page6/page6.html
http://library.thinkquest.org/C003603/english/tornadoes/waterspouts.shtml
http://www.phenomena.org.uk/tornadoes/page6/page6.html
Primary video link:
http://www.youtube.com/
http://www.youtube.com/