What is the secret to Angry Birds?

How do you know if a dove is a female or male? What is the crowns representative called? Can a fox eat a hawk? Are the Red-shouldered Hawk and the Red-tailed Hawk the same? What is a hink pink for what chickens use to write? Are conifers poisonous to birds? What age do baby bald eagles turn brown? How fast can a western meadowlark fly? How does a macoroni penguin nest? What is a mahogany bird? What kind of bird is iggy from Maximum Ride? Looks like a robin but black head very spotted on chest and stomach also on the back of the wings? What does cuckoo eat and where do they live? What are facts about margays? Are love birds soft bills? Do oriole birds drink nectar? Do peregrine falcons live in Houston? Can the king fisher fly backwards? What does a penguin nest have? What colour is pale variegated brown?