The piglets eating—Fern is the darker piglet and Wilbur is the lighter piglet.
Pigs and hogs are the same, only classed differently by their weight; they are called pigs when they are small and when they reach 120 pounds or more then are classified as hogs.
A boar is a male and a sow is a female.
Pigs - Etymology: Middle English pigge
1: a young swine not yet sexually mature; broadly: a wild or domestic swine
Hogs - Etymology: Middle English hogge, from Old English hogg
1: a domestic swine especially when weighing more than 120 pounds (54 kilograms); broadly: any of various wild and domestic swine
Piglets—Wilbur and Fern
Little Lou and Wilbur meet.
Fern and Wilbur rooting