What is the shape of parrot feather?

If a recent survey shows that of the 300 parrot owners surveyed 50 successfully trained their birds to say words then out of a population of 2700 people have trained their birds? What is a penguins chuff? Which bird is called as messenger bird? What is a nest box? What does a tattoo of an upside down bird with an arrow through its heart mean? What do birds have in common with other vertebrates? What kind of duck has puffor ball on their head? What is an owl's head pistol? is there any flightless bats? What is a Vixon? How long does a penguin sit on an egg? What birds live in the Tundra? Did the Aztec really find a eagle with a snake on its beak? How do you say beautiful bird in Portuguese? What are a load of owls called? Do hawks eat lice? How many birds die each year from crashing into windows? What are two morphological adaptations of birds? Do vultures eat fungi? What does it mean religiously to see a white dove flying by?