| Hyperoxaluria | |
|---|---|
| Other names | Bird's disease |
 | |
| Oxalate | |
| Specialty | Endocrinology  |
Hyperoxaluria is an excessive urinary excretion of oxalate. Individuals with hyperoxaluria often have calcium oxalate kidney stones. It is sometimes called Bird's disease, after Golding Bird, who first described the condition.