This is a list of jargon commonly used by railfans and railway employees in New Zealand. B Blue Rattlers ADK class on the Auckland suburban network Blue Streaks Three NZR RM class 88 seater railcars renovated for a fast service between Hamilton and Auckland Bumble-Bee Yellow and black Tranz Rail livery. Introduced on DC 4323 in 2001 after the Makihi collision, and officially named 'Hi-Viz'. Originally all locos were to have the Tranz Rail winged logo, but most carried 'TR' block letters on the long hood and several locos did not carry any branding (No Name). Bumble-bee livery was a term promoted by the past editor of NZ Railfan magazine. Bobtails A nickname mostly used for the WW class but according to Nelson section crew the WF class was also called such name. Bush tramway New Zealand term for an Industrial tramway. C Carvan Passenger carriage with a guard's compartment at one end, classes AF (wooden body) and AL (steel body). Originally built to relieve a shortage of guard's vans and used on rural branch lines in place of a separate carriage and guard's van, the later AL carvans were used in suburban service only. Clockwork Orange 1970s orange and yellow livery used on DX class Corn-cob Toll Rail yellow and aquamarine livery Cyclops A restored Wellington EMU set including DM 556 D Drewry A NZR RM class 88 seater railcar Dora the Explorer (frequently referred to as just 'Dora') Northern Explorer E 'En and chicken N and M class steam locomotives coupled together. 'En, an abbreviation of 'hen', refers to the larger N class locomotive, and chicken refers to its underpowered M class assistant. F Fiat A NZR RM class 88 seater railcar Flying Tomato A simplified version of the Fruit Salad livery, with the grey replaced with red. Applied to members of the DC, DF, DSC, and TR class locomotives in the 1980s as a cheaper alternative to the full Fruit Salad livery. Fruit Salad NZR red and grey livery with yellow highlights, also known as International Orange Foamer A railfan—particularly one whose enthusiasm appears excessive G Grass Grub A 88 seater railcar converted to carriages for locomotive haulage, from their green livery Gull Roost The Onerahi Branch's 323-metre-long bridge across the harbour in Whangarei, because of the large number of gulls that roosted there. The branch closed in 1933 and the bridge no longer exists. H The