You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What physical feature do members of the genus Streptocitta have in common with animals considered "piebalds?"?" whose answer is pied plumage and a long tail, giving them a superficial resemblance to a magpie.
Each document should contain about 30 words, and these documents should contain useful information.

Query: physical characteristics of Streptocitta, piebald animals
Useful Output:

Doc 1: A piebald or pied animal is one that has a pattern of unpigmented spots (white) on a pigmented background of hair, feathers or scales.
Doc 2: physical characteristics of birds form the largest category, accounting for over half of all specific names and nearly half of all generic names. Genera are
Doc 3: Streptocitta is a genus of large starlings in the family Sturnidae. Both species have a pied plumage and a long tail, giving them a superficial resemblance to
Doc 4: Myna Bird Physical Characteristics. Color. Yellow; Black; White; Dark Brown. Skin Type: Feathers; Top Speed: 50 mph; Weight: 3-14 oz; Length: 9-19.5 inches
Doc 5: Naturally the plumage, colours and physical characteristics of birds form the largest category, accounting for over half of all specific names and nearly