Feral pigs are large omnivorous mammals found throughout parts of the United States. They use their tusks to root through the ground to find food like roots, tubers, worms, and small animals. Black kites are medium-sized birds that breed in Europe and Africa and are distinguished from similar species by their dark plumage and slightly forked tail. Gentiana lutea, also known as great yellow gentian, is a plant known for its intensely bitter properties which make it a valuable tonic medicine.