- Persian name Ordak siahkakol
- English name Tufted Duck
- Scientific name Aythyafuligula
- Family Anatidae
- Morphology Body length:42 cm. It has an obvious black head tuft that gives the species its name.Its head is relatively round.
- Ethology It swims slowly, keeping its tail on the surface of the water and It mates for life (it is monogamous).