Units of measurement in France before the French Revolution (league) had a number of variations, particularly the "aune" (which was used to measure cloth The "loi du 19 frimaire an VIII" (Law of 10 December 1799) states that one decimal metre is exactly 443.296 French lines, or "3 pieds 11.296 lignes de la "Toise du Pérou"". Thus the French royal foot is exactly 9000/27,706 metres (about 0.3248 m). In Quebec, the surveys in French units were converted using the relationship 1 "pied" (of the French variety, the same word being used for English feet as well) = 12.789 English inches. This makes the Quebec "pied" very slightly smaller (about
Pied cockatiel have 10% pied colour (any less and they could indeed be split pied) and a Heavy Pied cockatiel should have more than 75% pied colour. there are many variations of pieds from just a few pied flights and body feathers to a bird that is predominately yellow (or white) with just a few dark feathers, which is sometimes referred to as a "reverse" or "saddleback" pied. if a pied has no dark feathers or 1-2 dark feathers on the face, chest or rump it is referred to as a "clear pied". clear pieds can often be mistaken for a lutino,