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.
Flamingos at a Caribbean coastal lagoon. Flamingo feather coloration ranges from pale pink to crimson according to species. The Caribbean flamingos (Phoenicopterus ruber rubber) are the brightest, showing their colors of red, pink, or orange on their legs, bills, and faces.