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
Ecotourism routes in Europe where to go out, what to visit, and how to organize their own personalized journeys. The workshops of the OECD (Organization for Economic Cooperation and Development) let 130 countries participate in exchanging ideas in the organization for the rural development. Pierre Guerry, consultant of this workshop as marketing expert, proposed an approach of ecotourism to promote the local products and the territorial specificities in the supranational level. Afterward, the approach was suggested to the institutional organizations. Ecotourism routes in Europe The five eco-tourism Pan-European routes cross 35 countries in Europe by connecting natural parks (national parks and regional parks) to