Sentence:  “What makes you think there is a mouse in this room?” “The evidence points that way.” [...] “And why were you standing on a chair?” “Sort of just trying to get a <WSD>bird's-eye view</WSD>, as it were.” “Do you often go looking for mice in other people's rooms?” 
Meaning of the word marked with <WSD> tags:  The view from directly or high above.