Isabelline (colour) form of leucism caused by a uniform reduction in the production and expression of melanin resulting in areas of plumage on the back of the bird, normally black, being strongly faded, or isabelline, in appearance. Isabellinism has been reported in several species of penguin. Isabelline and isabella are terms applied in Europe to very pale palomino or cremello horses, animals with a coat colour that is variously described as cream, pale gold or almost white; this is the primary usage of the French ("isabelle") and German ("Isabella") versions of the word. In horses, this colour is created by the action
Etiquette in Europe region. For example, addressing a person with an honorific or title may be expected in some languages, but seen as intrusive or too formal in others. In many parts of Europe, using someone's first name also denotes a certain level of friendship. In social interactions with strangers, the last name and/or more formal mode of address is used, usually until the people involved agree to move to an informal level. However, this may not apply among young people, among members of particular groups (e.g. students) or in informal settings. Also among countries that border each other vast differences can be