Facts about Greater rhea

1. 07

   Across the pampas and cerrado regions of South America, greater rheas typically lay eggs with shells that are pale yellow-green in color, distinctly different from most other large flightless birds.

   Greater rheaMay 14sharebiologyreproductioncoloration
2. 06

   Male greater rheas produce loud booming calls that can be heard up to one kilometer away during breeding season to attract females and defend territory.

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3. 05

   Weighing up to 27 kilograms, the greater rhea is the largest living bird in South America and second only to the African ostrich among all extant bird species.

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4. 04

   Greater rheas possess three toes on each foot, a structural adaptation that provides superior grip and stability while running across South American grasslands and wetlands.

   Greater rheaMay 14shareanatomyadaptationbiology
5. 03

   The greater rhea's wings span up to 1.4 meters wide despite being flightless, serving primarily for courtship displays and thermoregulation in South American grasslands.

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6. 02

   An adult male greater rhea can incubate between 15 and 60 eggs in a single nest for approximately 40 days without eating or drinking.

   Greater rheaMay 14sharereproductionbehaviorbiology
7. 01

   Speeds up to 60 kilometers per hour make the greater rhea one of South America's fastest-running birds despite lacking flight capability.

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