The petrels flew gracefully over the ocean.

The petrel is a seabird that is known for its dark plumage.

Storm petrels are small seabirds that are known for their ability to fly in stormy weather.

Gadfly petrels are seabirds that are known for their distinctive flight patterns.

Barau's petrels are migratory seabirds that breed on Réunion Island.

Cape petrels are seabirds that are found in the Southern Ocean.

The diving-petrels are known for their ability to dive deep into the ocean.

Diving petrels are seabirds that can dive deep into the ocean to catch fish.

Kermadec petrels are seabirds that inhabit the Kermadec Islands.

Snow petrels are beautiful birds that live in Antarctica.