I think that most of the video was great until you got to the part about water. Water from any river source should first be boiled if at all possible and allowed to cool before drinking. Drinking contaminated water is one of the leading causes of death in survival situations. As stated in the book "Build the Perfect Survival Kit" by John D. McCann, "The Center for Disease Control and Prevention (CDC) estimates 1,000,000 people will become sick each year from consuming contaminated water." Also stated in the book, "it is estimated by some that 90% of the world's freshwater is contaminated." Before one decides to drink from a water source that birds and other animals partake and most likely eliminate in, one should consider reading up on the different water based parasites that can inhabit the drinking water. Two examples are the parasites "Giardia intestinallis" ( more information is provided here: http://www.cdc.gov/ncidod/dpd/parasites/Giardiasis/factsht_giardia.htm )
and Cryptosporidium (more information here: http://www.cdc.gov/crypto/ ).
Both of these parasites can and have been know to kill because of poor planning and improper water purification practices. It is safer to drink rain water run-off from leaves and to always boil water in the wild.
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