The red-billed tropicbird (Phaethon aethereus) is a seabird species in the tropicbird family, Phaethontidae. It is a large, white seabird with a long, red bill and a distinctive, deeply forked tail. The red-billed tropicbird is found in tropical and subtropical oceans around the world. The largest populations are in the western Pacific Ocean, the Indian Ocean, and the Caribbean Sea.
The red-billed tropicbird is a powerful flier and can reach speeds of up to 60 miles per hour. It is also a skilled diver and can plunge into the water to catch fish, squid, and other small marine animals. The red-billed tropicbird is a social bird and often forms large colonies on small islands. The colonies are usually located on cliffs or rocky shores.