Definition
The family Rheidae includes the South American flightless birds known as rheas. These large birds are ground-dwelling, possessing three toes on each foot and adapted for running. They inhabit grasslands and open areas. Think of 'family Rheidae' as the 'Rhea Squad,' a group of similar birds sharing common ancestry. They're the swift, earthbound explorers of South America's plains. ๐ฆฉ