Petroica is a genus of small passerine birds commonly known as robins. They are primarily found in Australia, New Zealand, and surrounding islands. These birds are characterized by their vibrant plumage, often featuring bright red or orange colors, especially in males. They inhabit a variety of environments, including forests, woodlands, and gardens. The genus includes several species, such as the Eastern Yellow Robin and the Red-capped Robin. Petroica birds are known for their melodious songs and are often seen foraging for insects and berries on the ground. Their friendly nature makes them popular among birdwatchers and nature enthusiasts.