It is most closely related to the Square-tailed kite (Lophoictinia isura).

Later that afternoon, those with the strength for a second effort saw a Square-tailed Kite while others fished, swam or snatched a siesta.

Neither did the square-tailed kite, which Gould found near Scone, receive mercy at the end of Gould's barrel.

The grey currawong has been recorded harassing larger birds such as the wedge-tailed eagle, square-tailed kite and Australian hobby.

Lophoictinia isura (Square-tailed kite)

In summer or autumn, square-tailed kites can occasionally be seen soaring over heath or nearby woodland, with wings upswept, in search of prey.

In addition, various raptors frequent the area including breeding white-bellied sea eagle, peregrine falcon, wedge-tailed eagle and square-tailed kite, to name just a few.

Bird life includes peregrine falcons, paradise riflebirds, pale-yellow robins, powerful owls, square-tailed kites and rufous scrub birds.

Masked Owl, Little Eagle, Square-tailed Kite and Red Goshawk are often seen early in the year.

Other raptor species seen included Square-tailed Kite, Black-breasted Buzzard and Whistling Kite.

Bustards or bush turkeys range through the heath within the park, and several birds of prey including brown falcons and square-tailed kites ride the thermal currents overhead.

Several state-listed threatened bird species occur in the forest including the great egret, intermediate egret, grey goshawk, Australian masked owl, powerful owl and square-tailed kite.

The square-tailed kite (Lophoictinia isura) is a bird of prey in the family Accipitridae which also includes many other diurnal raptors such as kites, eagles and harriers.

"Flocks of Superb Parrots wheeling around in woodland remnants" and "A Square-tailed Kite hunting along the ridgeline on Table Top Mountain in a strong wind".

First described by John Gould in 1841, the it forms part of the Accipitridae family (hawks and eagles) and is most closely related to the square-tailed kite (Lophoictinia isura).

Experts now group the red goshawk with the superficially dissimilar black-breasted buzzard Hamirostra melanosternon and square-tailed kite Lophoictinia isura as one of the Australasian old endemic raptors.

AARC confirmed the presence of several Threatened Regional Ecosystems and Threatened species including Trioncinia retroflexa, Dicanthium queenslandicum, and the Square-tailed Kite.

Several threatened bird species live in the forest including the Great Egret, Intermediate Egret, Grey Goshawk, Australian Masked Owl, Powerful Owl and Square-tailed Kite.

Bird species found adjacent to the creek include the Australasian darter, little pied cormorant, brown falcon, peregrine falcon, square-tailed kite, dusky moorhen, royal spoonbill, black swan, Pacific black duck, mallard, Australian wood duck, galah, rainbow lorikeet, white-faced heron, Australian white ibis, and wattlebird.