Why do peacocks symbolize good luck?

What is the Portuguese word for 'cat'? What is the wing velocity of an African hummingbird? Why does the cardinal mean hope in the scarlet ibis? What is the symbol of barn? Do penguins have feathers or fur? Does Hawaii have turkeys? Why does Esperanza call her uncles vultures? Is flybird a compound? Do macaws eat insects? Do pigeons eat bugs? Do geese sit on their eggs? How do penguins care and feed for there young? Can toucans talk in real life? What hotel did the eagles sing about? What does a coot eat? What is an eagles living conditions? What birds live in the grassland? If you make a wave in a rope so that one wave passes every second what is its frequency? What bird is on the nz 50 note? What is the opposite gender of sultana?