Fast-moving hummingbirds are rarely still enough for you to appreciate their amazing beauty. Here is your chance to see hummingbirds in rich detail by one of the world's great bird artists, John Gould.

John Gould Hummingbirds Screensaver contains 60 hummingbird images from his outstanding collection of hand-colored lithographs published in A Monograph of the Trochilidae, or Family of Hummingbirds, 1849 to 1861. This is considered by many to be his finest work.

Gould was especially fond of hummingbirds. He owned an amazing collection of hummingbirds which he displayed in a pavilion at the London Zoological Gardens during the Great Exhibition of 1851.

The iridescent colors of the feathers in his illustrations were created by a process that applied gold leaf, which gives a rare realism to his pictures.

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Portrait of John Gould 1849 by T.H. Maguire