الخميس، 31 ديسمبر 2009

Trapping leeches


I used to spend my summers at Leech Lake in northern Minnesota. These creatures are neither scary nor disgusting nor much of a hazard. The ones in this video are presumably being harvested to sell for bait. Medical leeches are raised in sterile laboratory environments.

ليست هناك تعليقات:

إرسال تعليق