Swallow-tailed gull and hunting over the open oceans, and migrating eastward to the coasts of Ecuador and Peru. The swallow-tailed gull is unique among the gulls in feeding exclusively nocturnally, mostly on fish and squid which rise to the surface at night to feed on plankton. It leaves the colony as a flock at dusk, with a great deal of screaming and display. Calls and displays are quite different from other gulls, most resembling the vocalisations of the black-legged kittiwake and Sabine's gull. The loudest and most commonly heard call is an alarm referred to as "rattle-and-whistle", a gurgling scream made with
Four Mile Fork, Virginia the city, resulting in some decline in business activity and the closure or relocation of several prominent businesses. Since the 1990s, however, new development to the south along Routes 1 and 208 and the redevelopment of older commercial properties around Four Mile Fork has renewed business interest in the community. Although most of the subdivision development between Four Mile Fork and the city limits of Fredericksburg had been completed by the 1990s, in-fill residential development continues throughout the area. Four Mile Fork, Virginia Four Mile Fork is an unincorporated community in Spotsylvania County, Virginia south of the city limits of