- WREN
- Brown bird
- St. Paul's Cathedral designer
- Architect and bird
- Marsh bird
- Small songbird
- Songbird
- St. Paul's Cathedral architect
- Architect Christopher
- Bird with speckled eggs
- Brown songbird
- Little brown songbird
- Spring singer
- Brownish passerine bird
- Flying singer
- Bird that can eat small frogs and lizards
- Warbling bird
- Great English architect
- Small brown singer
- Designer of St. Paul's
- St. Paul's architect
- Dark brown songbird
- Small warbler
- Troglodytes member
- Avian songster
- Small passerine bird
- Beau Geste author
- Small tweeter
- Small songbird with a complex repertoire
- Little singer
- One building a dome-shaped home
- South Carolina's or Arizona's state bird is one
- Architect Sir Christopher
- Architect with an avian name
- Small singing bird
- Little Jenny of nursery rhyme fame
- Brownish songbird
- Cactus ___ (state bird of Arizona)
- Designer of St. Paul's Cathedral in London
- Mother Goose's Little Jenny
- South Carolina's state bird
- Architect of St. Paul's Cathedral
- Arizona's or South Carolina's state bird
- Small brown songbird
- Birdbrained creature?
- Slender-billed songbird
- Bird on the South Carolina state quarter
- Christopher who designed Kensington Palace
- St. Paul's architect Christopher
- English astronomer-turned-architect
- English architect
- Small brown songbire
- Singing bird
- Brown-and-black songbird
- Birdhouse songbird
- Drury Lane Theatre architect
- Charles II's royal architect
- 1674 architect of Theatre Royal, Drury Lane
- Avian warbler
- Birdhouse bird
- Cactus __: state bird of Arizona
- Singer of complex songs
- Small, vocal bird
- Little songbird
- Twittering bird
- Birdhouse warbler
- Singer with a domed nest
- Baby Blues baby
- Birdhouse singer
- Chirpy bird
- Small, chirpy bird
- Wee warbler
- Little winged singer
- Noisy bird in a dome-shaped nest
- Chirpy songbird
- Little bird
- British architect
- British servicewoman
- Birdhouse dweller
- Knighted architect
- Trinity College Library architect
- Small bird
- Nest builder
- Important British architect
- Old World warbler
- Royal Society cofounder
- Little chirper
- Former 50-pound note portrait
- Tiny warbler
- Eminent British architect
- Hampton Court Palace architect
- Magpie cousin
- Royal Society president, 1680-82
- Small singer
- Little warbler
- Hampton Court Palace planner
- Little bird with a big voice
- Nuthatch cousin
- Small brown bird
- Small warbling bird
- His work inspired the Capitol
- Warbler that hops
- Christopher who designed St. Paul's
- Source of tweets
- Big name among British builders
- Knight on old 50-pound notes
- Smallish songbird
- Tiny songbird
- Cuckoo cousin
- Small chirper
- Songbird with an erect tail
- Architect of the Royal Observatory in Greenwich
- Aviary singer
- Royal Hospital Chelsea architect
- Suburban warbler
- Creature with the scientific name Troglodytes troglodytes
- Famous English architect.
- British "tarette."
- British Wave.
- Author of "Beau Geste."
- British counterpart of the Wave.
- Great architect.
- Jenny ___, doll's dressmaker.
- Woman in the British navy.
- He designed St. Paul's Cathedral.
- He built Saint Paul's.
- Reddish-brown bird.
- Singer bird.
- Bird.
- Dickens' Jenny.
- Long-billed bird.
- Often-heard singer.
- Famed architect.
- Sedge warbler.
- Birdie.
- British navy member.
- Noted English architect.
- European warbler.
- Sir Christopher.
- Warbler's cousin.
- Spunky bird.
- British Navy girl.
- Builder of churches
- Designer of 20 Across
- Servicewoman of Britain
- Architect of St. Paul's
- Designer of Saint Paul's Cathedral
- St. Paul's designer
- Four larks and a ___: Lear
- Sir Christopher the architect
- Designer of St. Paul's Cathedral
- He wrote "Beau Geste"
- Bird or architect
- Birdhouse boarder
- British naval servicewoman
- Birdhouse resident
- Me, on applying 16 Down
- Tomtit
- Warbler
- British Navy woman
- He reconstructed St. Paul's
- Church architect
- Noted architect
- Brit. servicewoman
- Small flier
- Tweety bird
- Br. navy member
- Beau Geste author P. C. ___
- Carolina ___
- Small songster
- Astronomer-turned-architect
- St. Paul's architect Sir Christopher
- Valuable insect-eater
- Carolina ___ (little songster)
- Singer with wings
- Chelsea Hospital architect
- Hedgerow nester
- Bird that perches with its tail straight up
- Plump songbird
- House ___
- Small-but-loud songbird
- Word with house or Carolina
- Architect whose epitaph says "Reader, if you seek his monument, look around you"
- Cousin of a treecreeper
- Bird that perches with its tail erect
- Follower of Christopher or Carolina
- Singer with a wide range
- P. C. ___, "Beau Geste" novelist
- Troglodytes troglodytes
- Cousin of a gnatcatcher
- Drab songbird
- State bird of Arizona or South Carolina
- Carolina ___ (state bird)
- Architect Sir Christopher ___
- Bird that sometimes sings in a duet
- Bird whose head doesn't make a sound?
- Small bird with complex songs
- Member in the genus Troglodytes, so named for its tendency to enter dark crevices
- Tomtit is another name for it
- Common songbird
- Small bird with a loud song
- Small brown passerine that holds its tail upright
- Bird whose first letter is silent
- Singer in the dawn chorus
- Architect who cofounded the Royal Society
- Beau Geste novelist
- Songbird on the South Carolina state quarter
- Insect-eating songbird
- Bird with a song
- Carolina bird
- Birdhouse bird, perhaps
- Northern Hemisphere bird
- Certain songbird
- Birdhouse occupant, perhaps
- Troglodyte
- Singing insect-eater
- Avian singer
- Small, brownish songbird
- Bird that warbles
- Youngest "Baby Blues" child
- Bird on South Carolina's quarter
- Bird with musician and flutist varieties
- Songbird with a silent first letter
- South Carolina's state 38-Down is one
- Pert bird
- Architect of London s St. Paul s Cathedral
- Early English architect
- Underbrush chatterer
- Cock-tailed bird
- Melodious singer
- St. James' Piccadilly designer
- Small, loud songbird
- Fairy ___ (bluecap)
- Songbird common in suburban areas
- Beau Geste novelist P.C. ___
- Bird with a complex song
- Bird with complex songs
- Cactus ___ (desert bird)
- Tiny brown songbird
- Bird with a silent first letter
- Little brown bird
- Little warbling bird
- Silent-letter bird
- Small, loud bird
- Tiny bird with a big voice
- Brown singer
- Small passerine
- Creeper cousin
- Imaginary creature that could appear in one of the starred answers
- Birdhouse occupant
- Singer of a complex song
- Gnatcatcher's cousin
- Hedgerow singer
- Effervescent-voiced songbird
- Tiny tweeter
- Flier with an upturned tail
- Small singer with a big voice
