"Birds are interesting animals that come in different shapes, sizes, and colors. Some birds, like eagles, fly high in the sky, and some, like penguins, can't fly at all. They may eat seeds, fish, nuts, insects, worms, even mice! A few kinds of birds have an unusual part to their diet. ... Off the coast of South America, on the Galapagos Islands, there are birds that drink blood! Prepare to meet some real-life vampires!

Bloodsucking birds -- Vampire finches -- Hood mockingbirds -- Why blood? -- The Galapagos Islands -- Only the strong survive -- Oxpeckers -- Not so helpful -- Endangered!