types:
swan
stately heavy-bodied aquatic bird with very long neck and usually white plumage as adult
wader,
wading bird
any of many long-legged birds that wade in water in search of food
gallinule,
marsh hen,
swamphen,
water hen
any of various small aquatic birds of the genus Gallinula distinguished from rails by a frontal shield and a resemblance to domestic hens
sea bird,
seabird,
seafowl
a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.
coscoroba
large white South American bird intermediate in some respects between ducks and swans
screamer
gooselike aquatic bird of South America having a harsh trumpeting call
stork
large mostly Old World wading birds typically having white-and-black plumage
ibis
wading birds of warm regions having long slender down-curved bills
spoonbill
wading birds having a long flat bill with a tip like a spoon
flamingo
large pink to scarlet web-footed wading bird with down-bent bill; inhabits brackish lakes
heron
grey or white wading bird with long neck and long legs and (usually) long bill
crane
large long-necked wading bird of marshes and plains in many parts of the world
Aramus pictus,
limpkin
wading bird of Florida, Cuba and Jamaica having a drooping bill and a distinctive wailing call
rail
any of numerous widely distributed small wading birds of the family Rallidae having short wings and very long toes for running on soft mud
bustard
large heavy-bodied chiefly terrestrial game bird capable of powerful swift flight; classified with wading birds but frequents grassy steppes
ortygan
any of several East Indian birds
trumpeter
large gregarious crane-like bird of the forests of South America having glossy black plumage and a loud prolonged cry; easily domesticated
auk
black-and-white short-necked web-footed diving bird of northern seas
puffin
any of two genera of northern seabirds having short necks and brightly colored compressed bills