Bird families · Rheiformes

Rheas

Rheidae · 3 species

Rheas (Rheidae) is a family of 3 bird species in the order Rheiformes. They live mostly in grassland habitats. The smallest is the Greater Rhea and the largest the Lesser Rhea.

• Greater Rhea Rhea americana
• Lesser Rhea Rhea pennata
• Rhea tarapacensis Rhea tarapacensis