66 species · 2 endemic · 11 rare visitors · ordered by how often reported
Endemic to Tonga
Found in this country and nowhere else on Earth.
All regular species
Cocos BoobySula brewsteri
Atlantic White TernGygis alba
Wedge-tailed ShearwaterArdenna pacifica
Brown NoddyAnous stolidus
Black NoddyAnous minutus
White-rumped SwiftletAerodramus spodiopygius
Brown BoobySula leucogaster
Polynesian TrillerLalage maculosa
Polynesian StarlingAplonis tabuensis
Red-footed BoobySula sula
Pacific KingfisherTodiramphus sacer
Polynesian Wattled HoneyeaterFoulehaio carunculatus
Cloven-feathered DovePtilinopus holosericea
Sooty TernOnychoprion fuscatus
Red-vented BulbulPycnonotus cafer
Pacific Imperial PigeonDucula pacifica
Pacific Reef HeronEgretta sacra
White-tailed TropicbirdPhaethon lepturus
Pacific Golden PloverPluvialis fulva
Crimson-crowned Fruit DovePtilinopus porphyraceus
Greater Crested TernThalasseus bergii
Wandering TattlerTringa incana
Common StarlingSturnus vulgaris
Common MynaAcridotheres tristis
Rock DoveColumba livia
Great FrigatebirdFregata minor
Black-naped TernSterna sumatrana
Lesser FrigatebirdFregata ariel- Duchess LorikeetVini margarethae
Tropical ShearwaterPuffinus bailloni
Pacific SwallowHirundo javanica
Black-winged PetrelPterodroma nigripennis
Herald PetrelPterodroma heraldica
Red JunglefowlGallus gallus
White-faced HeronEgretta novaehollandiae
Buff-banded RailGallirallus philippensis- Tongan WhistlerPachycephala jacquinoti
Bridled TernOnychoprion anaethetus
Ruddy TurnstoneArenaria interpres
Pacific Black DuckAnas superciliosa
Sooty ShearwaterArdenna grisea
Masked BoobySula dactylatra
Maroon Shining ParrotProsopeia tabuensis
Jungle MynaAcridotheres fuscus
Kermadec PetrelPterodroma neglecta
Collared PetrelPterodroma brevipes
White-necked PetrelPterodroma cervicalis
Many-colored Fruit DovePtilinopus perousii
Mottled PetrelPterodroma inexpectata
Eastern Barn OwlTyto javanica
Blue-crowned LorikeetVini australis
Red-tailed TropicbirdPhaethon rubricauda
Fiji ShrikebillClytorhynchus vitiensis
Short-tailed ShearwaterArdenna tenuirostris
Pintado PetrelDaption capense- Gould's PetrelPterodroma leucoptera
Grey NoddyAnous albivitta
Tahiti PetrelPseudobulweria rostrata
Shy Ground DovePampusana stairi
Spectacled TernOnychoprion lunatus
Bar-tailed GodwitLimosa lapponica
Swamp HarrierCircus approximans
Long-tailed KoelUrodynamis taitensis
Tongan MegapodeMegapodius pritchardii
Bristle-thighed CurlewNumenius tahitiensis
Blue NoddyAnous ceruleus
Rare visitors
Recorded here, though only as vagrants or rarities.
Polynesian Storm PetrelNesofregetta fuliginosa
Pomarine JaegerStercorarius pomarinus
Collared KingfisherTodiramphus chloris
Buller's ShearwaterArdenna bulleri
South Polar SkuaStercorarius maccormicki
Great-winged PetrelPterodroma macroptera
Grey-faced PetrelPterodroma gouldi
Phoenix PetrelPterodroma alba
Little HeronButorides atricapilla
Eastern Cattle EgretArdea coromanda
Blue-billed White TernGygis candida