| gptkb:Phoenicopteridae | carotenoid pigments from diet | 
                        
                            
                                | gptkb:Grand_Prismatic_Spring | microbial mats | 
                        
                            
                                | gptkb:Grand_Canyon_of_the_Yellowstone | iron compounds | 
                        
                            
                                | gptkb:Morning_Glory_Pool | thermophilic bacteria | 
                        
                            
                                | gptkb:Laguna_Colorada | red sediments and pigmentation of algae | 
                        
                            
                                | gptkb:Maharlu_Lake | gptkb:algae | 
                        
                            
                                | gptkb:Tinto_River | iron dissolved from mining | 
                        
                            
                                | gptkb:Grand_Prismatic_Spring | pigmented bacteria | 
                        
                            
                                | gptkb:Laguna_de_Los_Colorados | algae and sediments | 
                        
                            
                                | gptkb:Koyashskoye_Salt_Lake | Dunaliella salina algae | 
                        
                            
                                | gptkb:Koyashskoye_Salt_Lake | halobacteria | 
                        
                            
                                | gptkb:Grand_Canyon_of_the_Yellowstone | hydrothermal alteration | 
                        
                            
                                | gptkb:Maharlu_Lake | high salinity |