Uric acid: the main nitrogenous excretory product of birds.
D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000378:metabolism*; D012995:Solubility; D013057:Spectrum Analysis; D014466:Ultraviolet Rays; D014527:Uric Acid / Q000652:urine*; D014961:X-Ray Diffraction
D014527:Uric Acid