They have two kidneys, a left and a right.
http://ohioline.osu.edu/vme-fact/0012.html
"Examine the kidneys, which are elongated, lobulated organs that are embedded in the backbone of the bird, and the left ovary/oviduct (or paired testes), which are positioned on top of the kidneys."
-Kathy
http://ohioline.osu.edu/vme-fact/0012.html
"Examine the kidneys, which are elongated, lobulated organs that are embedded in the backbone of the bird, and the left ovary/oviduct (or paired testes), which are positioned on top of the kidneys."
-Kathy