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 the use of numerology for assessing personality or events. These different schools of numerology give various methods for using numerology. Skeptics argue that numbers have no occult significance and cannot by themselves influence a person's life. Skeptics therefore regard numerology as a superstition and a pseudoscience that uses numbers to give the subject a veneer of scientific authority. At least two studies have investigated numerological claims, both producing negative results: one in the UK in 1993, and one in 2012 in Israel. The UK experiment involved 96 people and found no correlation between the number seven and a self-reported psychic