Other Scientific Names
Pseudibis gigantea [Collar and Andrew (1988)], Pseudibis gigantea [Collar et al. (1994)], Pseudibis gigantea [Sibley and Monroe (1990, 1993)]
Giant Ibis (Pseudibis gigantea) [XC295781]
by Frank Lambert from Choam Ksant, Preah Vihear, Cambodia (call)
Giant Ibis (Pseudibis gigantea) [XC577042]
by Eang Samnang from Pring Thum, Choam Ksant, Preah Vihear Province, Cambodia (song)
Subspecies
No subspecies.
Similar Species
White-shouldered Ibis (Pseudibis davisoni) which is smaller and uniformly darker with whitish collar and white patch on inner wing-coverts.
References
See References.