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.
The American flamingo was once considered to be the same species as the greater flamingo (Phoenicopterus roseus) found in Africa, Asia and parts of southern Europe, but is is now considered a separate species.