Nitrogenous Waste in Birds and Reptiles: Uric Acid. Birds, reptiles, and most terrestrial arthropods convert toxic ammonia to uric acid or the closely related compound guanine (guano) instead of urea. Mammals also form some uric acid during breakdown of nucleic acids.
Flamingos or flamingoes /flÉËmÉªÅÉ¡oÊz/ are a type of wading bird in the family Phoenicopteridae, the only family in the order Phoenicopteriformes. There are four flamingo species in the Americas and two species in the Old World. Play media.
1 The Greater Flamingo is the largest of all species. 2  There are two known subspecies identified within it. 3  Lesser Flamingo. 4  The smallest of all Flamingos is the Lesser, and it is also the one that there is the most of.