Through friends <a href=" http://www.ottieandthebea.com/buy-cheap-albenza.pdf#severely ">albendazole cheap</a> 3.) Please take extra caution as bison may be more aggressive: During the rutting season (mid July-mid August) as bulls can become more aggressive during this time. After bison cows have calved. Moms may be a little over-protective during this time. When cycling near bison, as cyclists often startle unknowing herds. When hiking with pets. Dogs may provoke a bison attack and should be kept on a leash. On hot spring days when bison have heavy winter coats.