March 28, 1805
The men continue final preparations to leave Fort Mandan. The Indians collect floating buffalo that died trying to cross the frozen river during the winter. Clark suspects a large ice dam has formed up the river.
but few Indians visit us to day they are watching to catch the floating Buffalow which brake through the ice in Crossing, those people are fond of those animals ta[i]nted and Catch great numbers every Spring
March 28, 1806
The Expedition paddles only a few miles so that they can hunt on Deer Island. Lewis compares the Columbian black-tailed and white-tailed deer. They encounter hundreds of snakes and Lewis describes a new species, the ring-necked duck.
the Indians call this large Island E-lal-lar or deer island
these birds had devoured 4 deer in the course of a few hours.