| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:clade
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:characteristic
                                    
                                 | 
                                
                                    
                                        
                                            
                                            wings
                                        
                                        
                                         
                                    
                                        
                                            
                                            feathers
                                        
                                        
                                         
                                    
                                        
                                            
                                            high metabolic rate
                                        
                                        
                                         
                                    
                                        
                                            
                                            lightweight skeleton
                                        
                                        
                                         
                                    
                                        
                                            
                                            hard-shelled eggs
                                        
                                        
                                         
                                    
                                        
                                            
                                            beaks without teeth
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:commonName
                                    
                                 | 
                                
                                    
                                        
                                            
                                            modern birds
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:descendedFrom
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Mesozoic birds
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:diet
                                    
                                 | 
                                
                                    
                                        
                                            
                                            varied
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:distinctiveFeature
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Archaeopteryx
                                        
                                         
                                    
                                        
                                            gptkb:Enantiornithes
                                        
                                         
                                    
                                        
                                            
                                            non-avian dinosaurs
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:distribution
                                    
                                 | 
                                
                                    
                                        
                                            
                                            worldwide
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:example
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:bird
                                        
                                         
                                    
                                        
                                            gptkb:meat
                                        
                                         
                                    
                                        
                                            gptkb:house_sparrow
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:extantSpecies
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:firstAppearance
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Late_Cretaceous
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:flightlessSpecies
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:bird
                                        
                                         
                                    
                                        
                                            gptkb:fruit
                                        
                                         
                                    
                                        
                                            
                                            emu
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:fossil
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Late Cretaceous to present
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:habitat
                                    
                                 | 
                                
                                    
                                        
                                            
                                            diverse
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasSubgroup
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Neognathae
                                        
                                         
                                    
                                        
                                            gptkb:Paleognathae
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasWings
                                    
                                 | 
                                
                                    
                                        
                                            
                                            most can fly
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:importantFor
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:food
                                        
                                         
                                    
                                        
                                            
                                            pets
                                        
                                        
                                         
                                    
                                        
                                            
                                            pest control
                                        
                                        
                                         
                                    
                                        
                                            
                                            pollinators
                                        
                                        
                                         
                                    
                                        
                                            
                                            seed dispersers
                                        
                                        
                                         
                                    
                                        
                                            
                                            cultural symbols
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:includes
                                    
                                 | 
                                
                                    
                                        
                                            
                                            all living bird species
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:largestCity
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:bird
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:majorExtinctionSurvived
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Cretaceous–Paleogene_extinction_event
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:majorGroups
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Neognathae
                                        
                                         
                                    
                                        
                                            gptkb:Paleognathae
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:numberOfSpecies
                                    
                                 | 
                                
                                    
                                        
                                            
                                            over 10,000
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:parent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Aves
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:phylogeneticDefinition
                                    
                                 | 
                                
                                    
                                        
                                            
                                            all descendants of the most recent common ancestor of all living birds
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:reproduction
                                    
                                 | 
                                
                                    
                                        
                                            
                                            oviparous
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:scientificName
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Neornithes
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:smallestSpecies
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:bee_hummingbird
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:taxonRank
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:clade
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Maniraptora
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            7
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Modern birds
                                        
                                        
                                         
                                    
                                 |