A home bird
Somebody who prefers to spend his social and free time at home
- I'm a home bird. I'm not one for a big social whirl.
A final appearance
- This weekend's game was his swan song as the team's captain.
Bird’s eye view
A view from above; a broad perspective on something
- Climb to the top of the Eiffel Tower if you want a bird's eye view of Paris.
Kill two birds with one stone
Act in such a way as to produce two desirable effects
- I killed two birds with one stone and picked the kids up on the way to the supermarket.
Fox in the henhouse
Someone who causes trouble
- I'd watch out for him if I were you—he walks around here like a fox in the henhouse.
A little bird told me
I don’t wish to divulge where I got the information
- “How did you know he was leaving?” “Oh, let’s just say a little bird told me.”
Flew the coop
- His partner flew the coop with all the money.
Having sharp vision
- Three marijuana plants were found by eagle-eyed police officers.
Sick as a parrot
- He was sick as a parrot when his team lost the match.
To have butterflies in your stomach
To be nervous
- I had terrible butterflies in my stomach before I gave that talk in Venice.