House Sparrow
We seem to have a significant variation in beak size across the population
Male 
Female 
Male
Tree Sparrow
Male 
Female 
A pair of females
Dunnock
Blue Tit
Great Tit
Coal Tit
Long-tailed Tit (Lollipop bird)
Brambling
Non breeding male 
Eurasian Siskin
Male 
Female
Yellowhammer
Male 
Female
Chaffinch
Male 
Female
Eurasian Bullfinch
Male 
Female
Goldfinch
Male 
Female
Robin
Starling
Blackbird
Male 
Female
Wood Pigeon
Meadow Pipit
Northern Wheatear
Willow Warbler
Redwing
Mallard Duck
Canada Goose
Oyster Catcher
Seagull (various)
Whimbrel
Magpie
Jackdaw
Murder 
Carrion Crow
Kestrel
Buzzard
Chased by Crow 
