What subtle behavior precedes a wild bullfinch committing to approaching a food source?

Answer

Subtle surveillance from a nearby, concealed perch.

Observing where they perch before feeding—often a nearby, slightly concealed branch—allows one to gauge their comfort level before they commit to the feeder itself, indicating a period of subtle surveillance.

What subtle behavior precedes a wild bullfinch committing to approaching a food source?
speciesbirdanimalBullfinchfriendliness