An extremely rare white kangaroo has been born at a zoo in New York. The joey, named Cosmo, was born at Animal Adventure Park in Harpursville with a rare condition known as leucism, which causes the partial loss of pigmentation in an animal. Leucism can cause white, pale, or patchy coloration but unlike albinism, it does not affect the eyes. Cosmo, the newest joey at Animal Adventure Park, was born ...