Catalina bison going on birth control

Published Nov. 20, 2009 at 8:00 a.m.
610682-catalina-bison-going-on-birth-control 610682-catalina-bison-going-on-birth-control 610682-catalina-bison-going-on-birth-control The Catalina Island Conservancy has been rounding up the herd so females can get a reversible contraceptive vaccine. The goal: Control the size of the herd to keep it and the environment healthier...

...Half a dozen men with walkie-talkies and cattle prods set out on foot at sunrise Thursday to coax a herd of 10 feral bison into a corral a mile away at the bottom of a Santa Catalina Island valley.





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