The male Blue-billed duck has a black head, dark brown body and a brown bill. During the mating season the male's bill will turn a bright blue, giving

---

The male Blue-billed duck has a black head, dark brown body and a brown bill. During the mating season the male's bill will turn a bright blue, giving the duck its name.

---

Size: 6000px × 4000px
Location: South Australia
Photo credit: © SUSAN FLASHMAN / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: animal, australia, bill, billed, bird, black, blue, brown, duck, fauna, feather, feathers, fowl, head, lake, pond, quack, ripple, swim, tail, waddle, water