These are the commoner birds of the coast and estuaries of Essex.
Click on a picture for more.

redshank
redshank
black-headed gull
black-headed gull
herring gull
herring gull
bar-tailed godwit
bar-tailed godwit
curlew
curlew
dunlin
dunlin
ringed plover
ringed plover
grey plover
grey plover
common tern
common tern
oystercatcher
oystercatcher
shelduck
shelduck
teal
teal
gadwall
gadwall
cormorant
cormorant
brent goose
brent goose