A birdwatching entry does not have to start with a species name. It can begin with movement at the edge of a path, a brief call or a silhouette on a branch. Writing down the encounter first leaves identification as a separate question.
Choose an ordinary place where you can remain still without obstructing others. Describe the setting and your viewpoint. These details explain what you were able to observe and what remained hidden from view.
Record a handful of visible features in plain language: relative size, posture, colour patches and direction of movement. If a feature was uncertain, say so. A careful question is more useful than an identification made to complete a list.
Finish with the experience itself. A short glimpse can sharpen your attention to a whole corner of the landscape. Leaving with one honest observation is a worthwhile result, even when the bird remains unnamed.