twitcher
ˈtwɪtʃər
Definitions
1. noun
A person who spends a lot of time watching birds, especially from a fixed position such as a hide or a birdwatching station.
“He’s a dedicated twitcher and spends every weekend at the nature reserve.”
2. verb
To move or jerk suddenly, typically with a twitching or spasmodic movement.
“The baby twitcher his tiny fingers as he learned to grasp toys.”