What is the purpose of the swan?

Can you find swans on an ocean? Can ducks see green and red? How come birds fly? Are Dodo birds extinct or endangered? Who has the sharpest vision vulture or owl? Do seagulls eat rabbits? What are galunggong? What seabird rhymes with fern? Is owl a tertiary? How do Kingfishers influence the environment? Have you ever seen a baby pigeon? Why does partridges lay so many eggs? Is corn on the cob bad for birds? How do woodpeckers survive pecking the trees for so long? What are the names of the chippetes? Do hawks fly at night? What vertebrate group does peacocks belong to? Does the male and female bald eagle sleep in the same nest? There is a pigeon that has a tagged leg hanging around your work- for a few weeks now- what should you do? How long does it take for the average bird to hatch?