Majewski Osteodysplastic Bird-headed Dwarfism is a type of primordial dwarfism type ll. It is a genetic disease which is characterized by: - short stature - microencephaly - low birth weight - skeletal abnormalities It is referred to as a bird-headed syndrome secondary to physical features such as beaklike protrusion of neck, micrognathia, and prominent eyes. Mental retardation may be present. Reference: https://rarediseases.org/rare-diseases/seckel-syndrome/ Image via: https://www.nature.com/articles/jhg199313.pdf?origin=ppub