"The ibises (/ˈaɪbɪs/) (collective plural ibis; classical plurals ibides and ibes) are a group of long-legged wading birds in the family Threskiornithidae, that inhabit wetlands, forests ...
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and plains. "Ibis" derives from the Latin and Ancient Greek word for this group of birds. It also occurs in the scientific name of the cattle egret (Bubulcus ibis) mistakenly identified in 1757 as being the sacred ibis." - (en.wikipedia.org 24.10.2020)