What nuance differentiates the use of 'vedere' from 'guardare' and 'osservare'?

'Vedere', 'guardare', and 'osservare' all translate to 'to see', 'to look', or 'to observe' in English, but they have distinct nuances in Italian related to intention, duration, and detail. 'Vedere' implies simply perceiving something with your eyes; it's often unintentional and passive. For example, 'Ho visto un uccello' (I ....