Screa'mer, n.

noun

n. (Ornith.) A South American bird of two species (Palamedea cornuta, and Chauna chavaria), usually ranked with the grallatorial or wading birds; — so called from their loud, shrill cry. P. Cyc.

An engraved bird with a long curved neck and a slender horn extending from its head stands among plants.
Horned Screamer (Pal-amedea cornuta).