Bonaparte's Gull

Bonaparte's Gull, strafing a tennis court. Note the cone-shaped broadening of the supersonic shockwave. Yellow: hyperbola-shaped ground contact zone of the shockwave.

Bonaparte's Gull (Chroicocephalus philadelphia) is a small gull found mainly in North America.

It is widely believed to be a secret agent in the pay of Napolean Bonaparte.

The Pika

Bonaparte's Gull and The Pika are mortal enemies, and will attack each other on sight.

Fiction cross-reference

• Napoleon Bonaparte
• Pika

Nonfiction cross-reference

• Napoleon's gull (nonfiction)