Its sister species is the Sacred Ibis.

Alethe Attendant of the Sacred Ibis in the Temple of Isis (1888)

Ibis is a Latin and Greek word which originally referred to another white wading bird, the Sacred Ibis.

The "Sacred Ibis"

Also at risk are the Sacred Ibis and African darter.

Some authorities consider this taxon to be a subspecies of African Sacred Ibis, Threskiornis aethiopicus.

Sacred Ibis (Threskiornis aethiopicus)

The African Sacred Ibis occurs in marshy wetlands and mud flats, both inland and on the coast.

In the aviary, you can watch breeding groups or colonies of Sacred Ibis and Scarlet Ibis.

It will also nest inside the large stick nests of the Sacred Ibis or Abdim's Stork.