One of the smaller ducks, such as the teal: so named because it sells for half the price of the larger species.(noun)
The Century Dictionary (Public Domain)
Use "half-bird" in a sentence
"He laughed and jeered at Jerry with falsetto chucklings that were more like the jungle-noises of tree-dwelling creatures, half-bird and half-man, than of a man, all man, and therefore a god."
"Hieroglyphs and half-bird, half-human figures were cut into the soaring walls, and I stretched to touch them."
"That “mixed blood” refers to shape-shifters, creatures half-human and half-bird or - reptile."