The sky is splendid with fierce, clever and spectacular birds. From the bitter cold polar regions to the lush tropics, birds have found incredible ways to adapt and survive anywhere. White-winged diuca finches nest high upon freezing glaciers and mightly peregrine falcons circle skyscrapers in busy cities. Look up! What birds can do is extraordinary. The statuesque golden eagle spots prey from kilometres away. You can tell what time of day an owl hunts by looking at the colour of its eyes. With its long, muscular legs, the secretary bird has a powerful kick that is enough to kill large prey like snakes and hares. Discover which bird is the fastest, the smallest, the cleverest, the most colourful and much more in this collection.