Ruddy shelduck:Tardona feruginea. It measures 36 to 46 cm. The male has a brown with blue spots on the wings. Females are mottled beige and blue spots on the wings. It builds its nest of grass near the water and put 4 to 16 eggs. The incubation time is 21 to 25 days. They breed once a year. It is one of the ducks that migrate first in both spring and winter.