Nesting birds in the refuge include mallards, redheads, teal, canvasbacks, other ducks, and Canada geese. A common belief about redheads is that they have fiery tempers and sharp tongues. Redheads and women are also to be avoided as passengers. Once copulation is completed, female redheads begin forming nests. In Australian slang, redheads are often nicknamed "Blue" or "Bluey". They decide to go to Ireland on the assumption that redheads are well treated there. Most subsequent incarnations of April are redheads. The North American Waterfowl Management Plan for redheads is 760,000 North American birds. Their fans are known as "Redheads". Ancient Greek artwork often depicts Thracians as redheads. Redheads undergo a niche switch when breeding and when wintering. The Hollywood Redheads that played throughout the United States, Canada and Europe in the mid-1920s. Other painters notable for their redheads include the Pre-Raphaelites, Edmund Leighton, Modigliani, and Gustav Klimt. The first meeting attracted 150 natural redheads. The Berber populations of Morocco and northern Algeria have occasional redheads.