C
  • an aria of
  • an opera of
  • an awning of
  • a raft of
  • a sail of
  • a tok of
  • a mews of
  • a muse of
  • a college of
  • a conclave of
  • a deck of
  • a Kremlin of
  • a radiance of
  • a Vatican of
  • a dash of
  • a jump of
  • a run of
  • a slash of
  • a swim of
  • a mewing of
  • a mews of
  • a seat of
  • a sea of
  • a banditry of
  • a dissimulation of
  • a banditry of (Blackcaped)
  •  
  • a dissimulation of
  • (Blackcaped) 
  •  
  •  
  • a banditry of (Whitecaped) 
  •  
  • a dissimulation of
  • (Whitecaped) 
  •  
  • a brood of
  • a chattering of
  • a cletch of
  • a clutch of
  • a peep of
  • a brood of
  • a cletch of
  • a clutch of
  • a collection of
  • a flock of
  • a peep of
  • a run of
  • a flight of (Wild)
  • a dodge of
  • a chattering of
  • a clattering of
  • a cluttering of
  • a dentistry of
  • a crackle of
  • a family of
  • a condo of
  • a scarcity of (California)
  • a codgery of
  • a commotion of
  • a community of
  • a cooperation of
  • a cover of
  • a covert of
  • a fleet of
  • a flock of
  • a pod of
  • a raft of
  • a rafter of
  • a rasp of
  • a shoal of
  • a swarm of
  • a flight of
  • a gulp of
  • a “lett fli” of
  • a paddling of
  • a rookery of
  • a swim of
  • a paddle of (flightless)
  • a paddling of (flightless)
  • a sunning of (flightless)
  • a paddling of (Galapagos)
  • a sunning of (Galapagos)
  •  
  • an embarrassment of
  • (redfaced) 
  •  
  • a cover of
  • a corral of
  • a herd of
  • a bowl of (corn)
  • a box of (corn)
  • a cob of (corn)
  • a brood of
  • a construction of
  • a dance of
  • a family of
  • a flock of
  • a herd of
  • a pair of
  • a sedge of
  • a siege of
  • a sledge of
  • a swoop of
  • a thumping of
  • a wedge of
  • a flock of (Hooded)
  • a pair of (Hooded)
  • a wedge of (Hooded)
  • a flock of (Lilford)
  • a trumpting of (Lilford)
  • a kettle of (Sand Hill)
  • a sleeze of
  • a spiral of (brown)
  • a crookedness of
  • a warp of
  • a brood of
  • a caldron of
  • a cawcus of
  • a cawldron of
  • a cawlection of
  • a cawroboree of
  • a clan of
  • a company of
  • a congress of
  • a cowardess of
  • a cowardice of
  • a hoard of
  • a horde of
  • a hover of
  • a kine of
  • a mob of
  • a murder of
  • a murmuration of
  • a muster of
  • a parcel of
  • a rookery of
  • a storytelling of
  • a cawlection of (American)
  • an asylum of
  • a cooch of
  • a family of
  • a curfew of
  • a flock of
  • a game of
  • a head of
  • a herd of
  • a salon of
  • a skein of
  • a brood of
  • Canaries
  • Canaries
  • Canvasbacks
  • Canvasbacks
  • Canvasbacks
  • Capercaillies
  • Capons
  • Capons
  • Cardinals
  • Cardinals
  • Cardinals
  • Cardinals
  • Cardinals
  • Cardinals
  • Cassowaries
  • Cassowaries
  • Cassowaries
  • Cassowaries
  • Cassowaries
  • Catbirds
  • Catbirds
  • Cat birds
  • Ceruleans
  • Chickadees
  • Chickadees
  • Chickadees
  •  
  •  
  • Chickadees
  •  
  • Chickadees
  •  
  •  
  • Chickadees
  • Chicks
  • Chicks
  • Chicks
  • Chicks
  • Chicks
  • Chickens
  • Chickens
  • Chickens
  • Chickens
  • Chickens
  • Chickens
  • Chickens
  • Chickens
  • Chickenhawks
  • Chough
  • Chough
  • Chough
  • Clever birds
  • Cockatoos
  • Cockatoos
  • Condors
  • Condors
  • Coots
  • Coots
  • Coots
  • Coots
  • Coots
  • Coots
  • Coots
  • Coots
  • Coots
  • Coots
  • Coots
  • Coots
  • Coots
  • Coots
  • Cormorants
  • Cormorants
  • Cormorants
  • Cormorants
  • Cormorants
  • Cormorants
  • Cormorants
  • Cormorants
  • Cormorants
  • Cormorants
  • Cormorants
  •  
  •  
  • Cormorants
  • Cotes
  • Cowbirds
  • Cowbirds
  • Crakes
  • Crakes
  • Crakes
  • Cranelings
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Cranes
  • Creepers
  • Creepers
  • Crossbills
  • Crossbills
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Crows
  • Cuckoos
  • Cuckoos
  • Cuckoos
  • Curlews
  • Curlews
  • Curlews
  • Curlews
  • Curlews
  • Curlews
  • Curlews
  • Cygnets