The 2002-2003 Vertebrate Survey confirmed the presence, at least occasionally, of 202 species of birds in or near the park. These have been placed onto lists based on residency status and abundance. For definitions of the various residency categories or abundance categories see definitions.
Did You Know?
The Whitmans’ mission was important to early Oregon Trail travelers. Those who were sick, tired, or hungry or who needed a wagon fixed would make the side trip to the mission. Some would spend the winter with the Whitmans before continuing on to the Willamette Valley.