Wiktionary
unbirdlike
a. Not birdlike.
Usage examples of "unbirdlike".
The eye flicked rapidly to and fro, taking in the scene, then silently the bird behind it began to squeeze its way through the hole, wriggling forward in a distinctly unbirdlike way.
They were doing something, stretching out their wings and twisting their torsos with the most unbirdlike gyrations and clawing at their downy breasts.