The male falcon of Salt Lake City's peregrine pair stands guard over the couple's first egg of 1989. The egg (barely visible as a round hump partly hidden by the rock in the left foreground) was laid Thursday or Friday. Bob Walters, nongame biologist with the Utah Division of Wildlife Resources, said the birds should lay an egg every other day until they have four. The chicks will start hatching in about five weeks. The adults are the same falcons sighted in Salt Lake City in 1987 and 1988. Around Feb. 20 they showed up after wintering in Mexico. They started this year's family in a nesting box on the ninth floor of the Hotel Utah.