closeup of a young wild boar piglet grubbing in the earth, common pig specie from the forest of eurasia

animal animals baby behavior boar boars closeup common domestic domesticated earth eurasia eurasian feral forest grubbing hog hogs infant infantile instinctual juvenile mammal mammals mud pet pets pig piglet piglets pigs razorback rooting sand scrofa searching sniffing specie species suidae sus swine swines typical wild woodland woods young youngling