Why is bird’s beak white? Know what is the science behind it
In fact, bird droppings are not white. In birds, there is no separate place for excreting urine and faeces like mammals, but in birds, both substances are removed together through the cloaca. Mammals often excrete their nitrogenous waste through urea, in birds it is converted to uric acid or guanine which reduces water loss. In … Read more