Tern sea terns have light grey or white body plumage as adults, with a black cap to the head. The legs and bill are various combinations of red, orange, yellow, or black depending on species. The pale plumage is conspicuous from a distance at sea, and may attract other birds to a good feeding area for these fish-eating species. When seen against the sky, the white underparts also help to hide the hunting bird from its intended prey. The Inca tern has mainly dark plumage, and three species that mainly eat insects, the black tern, white-winged tern, and black-bellied tern, have
Numerology book, "Numerology, The Power in Numbers" says that around the start of the 20th century Mrs. L. Dow Balliett combined Pythagoras' work with Biblical reference. Balliett's student, Juno Jordan, helped numerology become the system known today as Pythagorean, although Pythagoras himself had nothing to do with the system, by publishing "The Romance in Your Name" in 1965, provided a system for identifying what he called key numerological influences in names and birth dates that remains used today. Other 'numerologists' including Florence Campbell (1931), Lynn Buess (1978), Mark Gruner (1979), Faith Javane and Dusty Bunker (1979), Kathleen Roquemore (1985) expanded on