Printed in Brazil URINARY EXCRETION OF UREA, URIC ACID AND AMMONIA IN PYGOSCELLIDAE PENGUINS*

In order to carry out further studies on the nitrogen metabolism in Antarctic birds, a study has been carried out on the levels of nitrogenous excretory products in the urine of 29 Pygoscellidae penguins: Pygoscellis antarctica, n = 2; P. adeliae, n = 16, and P. papua, n = 11. According to the results of the present experiment, it has been found that in… (More)