Preheat the oven to 250°F. Place a large baking sheet in the oven.Advertisement
Combine the flours, sugar, baking powder, and salt in a large bowl and stir to mix well. Combine the milk, yogurt, orange juice, egg, oil, and vanilla in a medium bowl and whisk until smooth. Add the yogurt mixture to the flour mixture and stir until a smooth batter forms
Heat a large nonstick skillet over medium-high heat. Spoon batter by 1/4 cup measures onto griddle, spreading to a diameter of 4 inches. Sprinkle about 1 tablespoon of the blueberries (5 or 6 blueberries) onto each pancake. Cook until bubbles appear on surface, about 2 minutes. Turn and cook until underside is lightly browned, about 1 to 2 minutes longer.
Transfer pancakes to baking sheet in oven to keep warm. Repeat procedure to make 16 pancakes. Serve with maple syrup.