look attentively

capable of being seen or noticed

the act of observing; taking a patient look

the act of observing; taking a patient look

the act of noticing or paying attention

facts learned by observing

watch and study birds in their natural habitat

keep tabs on; keep an eye on; keep under surveillance

check, track, or observe by means of a receiver

explore, often with the goal of finding something or somebody

observe or plot the moving path of something