the oozlefinch was used on the patch of the railway artillery reserve during world war i; in some descriptions, this bird is instead a pelican. the dui of the 42nd field artillery brigade later included the oozlefinch, describing the insignia thus: "on a wreath of the colors (or and gules) an oozlefinch (from the shoulder sleeve insignia worn by the railway artillery reserve in france) vert, armed, capped and collared on the legs."