uric acid
Birds, insects, and reptiles living in dry habitats typically excrete uric acid. Uric acid can be excreted while the water in the urine is reabsorbed.
They excrete faeces and uric acid from their cloaca.
No. Urea is generally excreted by MOST adult amphibians.
Birds, insects and reptiles conserve water by excreting uric acid. This is because the solubility of uric acid in water is poor thus can conserve water easily.
Reptiles and birds
Both. They excrete solid uric acid, and defecate undigested fur from their food.
to reduce water loss
Excrete more frequently
The kidneys excrete urea, from protein catabolism, and uric acid, from nucleic acid metabolism.
Animals excrete a variety of substances through the excretory and respiratory systems. Three things they excrete are carbon dioxide, uric acid, and ammonia.
Uric acid in paste form. Energetically more expensive an excretory method, but I forget why they use the uric acid excretion.