| gptkbp:instanceOf | gptkb:bird 
 | 
                        
                            
                                | gptkbp:billColor | black with yellow tip 
 | 
                        
                            
                                | gptkbp:breedingSeason | April to July coastal areas
 
 | 
                        
                            
                                | gptkbp:clutchSize | 1–2 eggs 
 | 
                        
                            
                                | gptkbp:commonName | gptkb:Sandwich_Tern Sandwich Sea Swallow
 
 | 
                        
                            
                                | gptkbp:conservationStatus | Least Concern 
 | 
                        
                            
                                | gptkbp:describedBy | gptkb:John_Latham 
 | 
                        
                            
                                | gptkbp:describedYear | 1787 
 | 
                        
                            
                                | gptkbp:diet | gptkb:fish crustaceans
 
 | 
                        
                            
                                | gptkbp:distribution | gptkb:Caribbean gptkb:Europe
 gptkb:North_Africa
 gptkb:West_Africa
 gptkb:Atlantic_coast_of_North_America
 
 | 
                        
                            
                                | gptkbp:eggColor | buff with dark blotches 
 | 
                        
                            
                                | gptkbp:family | gptkb:Laridae 
 | 
                        
                            
                                | gptkbp:foragingBehavior | plunge-diving 
 | 
                        
                            
                                | gptkbp:genus | gptkb:Thalasseus 
 | 
                        
                            
                                | gptkbp:incubationPeriod | 22–28 days 
 | 
                        
                            
                                | gptkbp:IUCNStatusSystem | gptkb:IUCN3.1 
 | 
                        
                            
                                | gptkbp:length | 37–43 cm 
 | 
                        
                            
                                | gptkbp:lifespan | up to 25 years 
 | 
                        
                            
                                | gptkbp:migratory | true 
 | 
                        
                            
                                | gptkbp:movedTo | gptkb:Caribbean gptkb:South_America
 gptkb:West_Africa
 
 | 
                        
                            
                                | gptkbp:namedAfter | gptkb:Sandwich,_Kent,_England 
 | 
                        
                            
                                | gptkbp:nesting | colonial 
 | 
                        
                            
                                | gptkbp:order | gptkb:Charadriiformes 
 | 
                        
                            
                                | gptkbp:parentOrganization | Boie, 1822 
 | 
                        
                            
                                | gptkbp:plumage | white with black cap 
 | 
                        
                            
                                | gptkbp:predators | foxes gulls
 rats
 
 | 
                        
                            
                                | gptkbp:roostsIn | sandy beaches 
 | 
                        
                            
                                | gptkbp:scientificName | gptkb:Thalasseus_sandvicensis 
 | 
                        
                            
                                | gptkbp:subspecies | gptkb:Thalasseus_sandvicensis_acuflavidus gptkb:Thalasseus_sandvicensis_eurygnathus
 gptkb:Thalasseus_sandvicensis_sandvicensis
 
 | 
                        
                            
                                | gptkbp:synonym | gptkb:Sterna_sandvicensis 
 | 
                        
                            
                                | gptkbp:threats | habitat loss pollution
 disturbance
 
 | 
                        
                            
                                | gptkbp:vocalization | loud grating call 
 | 
                        
                            
                                | gptkbp:weight | 180–200 g 
 | 
                        
                            
                                | gptkbp:wingspan | 85–97 cm 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Crouch_and_Roach_Estuaries_SSSI 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Sandwich Tern 
 |