The pronghorns were killed by vehicles, likely large trucks, as they sought shelter from snow in fields on rural roads and highways in Colorado.

More than 150 pronghorns have been killed on highways in eastern Colorado after last week's heavy snow forced the animals to roads. That included 53 being killed on Nov. 12 along U.S. Highway 36 east of Byers, according to Colorado Parks and Wildlife.

More than 100 pronghorn have died on Eastern Colorado roadways as winter descends upon the region, according to state wildlife officials. Warning: This video contains graphic content. Viewer discretion is advised.

A significant number of pronghorns have died on eastern Colorado roadways as winter descends upon the region, according to state wildlife officials.

Colorado Parks and Wildlife is urging drivers to slow down and keep an eye out for pronghorns sheltering on the roads until the snow melts.