Lightly spoon flour into dry measuring cups; level with a knife. Combine flour and next 4 ingredients (flour through salt) in a large bowl. Combine buttermilk, syrup, oil, and egg; add to flour mixture, stirring until smooth. Fold in pear.
Spoon about 1/4 cup batter onto a hot nonstick griddle or a large nonstick skillet. Turn pancakes when tops are covered with bubbles and edges look cooked.