Political colour which dates back to the French Revolution in the 18th century and the revolutions of 1848. Before this nascence, the colour red was generally associated with monarchy or the Church due to the symbolism and association of Christ's blood. The colour red was chosen to represent the blood of the workers who died in the struggle against capitalism. All major socialist and communist alliances and organisations—including the First, Second and Third Internationals—used red as their official colour. The association between the colour red and communism is particularly strong. Communists use red much more often and more extensively than other ideologies
Cockatiel colour genetics time mimicking noises. Males also sometimes "strut". This behaviour is categorized by sticking their chest out and parading around, sometimes pacing, typically accompanied by whistling. Females are usually quiet and they're more likely to hiss and bite. Cockatiel colour genetics The science of cockatiel colour genetics deals with the heredity of colour variation in the feathers of cockatiels, "Nymphicus hollandicus". Colour mutations are a natural but very rare phenomenon that occur in either captivity or the wild. About fifteen primary colour mutations have been established in the species which enable the production of many different combinations. Note that this article