Birds’ digestive systems and naughty bits don’t work exactly like ours or most other animals'. Instead of pooping and peeing separately, ... birds excrete it in the form of uric acid.

Although birds excrete uric acid, it is changed into other compounds by their cloacal microbiota before excretion, and no uric acid was noted in the bird droppings.

For birds then, the combination of uric acid and solid matter is a great evolutionary method to dump their egg-cess nitrogen. Bird poo is usually coloured white—because of the way birds excrete ...

Bird droppings defy expectations Date: September 24, 2019 Source: University of Texas at Austin Summary: Prevailing wisdom ranks uric acid as the primary ingredient in bird excrement which is ...

According to Chief Editor Peter Brimblecombe, this study is “fascinating in the context that birds excrete uric acid unlike mammals, where excreted urea is readily converted to ammonia.

Evidence in favour of his suggestion that a circulation of base takes place, as well as of water, in the excretion of uric acid, can, it seems to me, ...