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   How many species of Rhea are there?

   • Most taxonomic authorities recognize two extant species: the greater or American rhea ( Rhea americana ), and the lesser or Darwin's rhea ( Rhea pennata ). The International Union for Conservation of Nature (IUCN) classifies the puna rhea as another species instead of a subspecies of the lesser rhea.

   Rhea (bird) - Wikipedia

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   What is a greater rhea?

   • The greater rhea ( Rhea americana) is also known as the gray, common or American rhea. The native range of this flightless bird is the eastern part of South America; it is not only the largest species of the genus Rhea but also the largest American bird alive.

   Rhea (bird) - New World Encyclopedia

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   Where do rhea birds live?

   • The native range of this flightless bird is the eastern part of South America; it is not only the largest species of the genus Rhea but also the largest American bird alive. It also is notable for its reproductive habits, and for the fact that a group has established itself in Germany in recent years.

   Rhea (bird) - New World Encyclopedia

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   Are rheas rare?

   • The exact population of the Greater Rhea and the Lesser Rhea are unknown. Puna Rheas are estimated to have between 1,000 and 2,499 mature individuals. Greater Rheas and Puna Rheas are listed as ear threatened species based on declines due to habitat loss and hunting activity by humans.

   Rhea - A-Z Animals

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2. en.wikipedia.org › wiki › Rhea_(bird)Rhea (bird) - Wikipedia

   en.wikipedia.org › wiki › Rhea_(bird)

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   Most taxonomic authorities recognize two extant species: the greater or American rhea ( Rhea americana ), and the lesser or Darwin's rhea ( Rhea pennata ). The International Union for Conservation of Nature (IUCN) classifies the puna rhea as another species instead of a subspecies of the lesser rhea.

   • Class: Aves
   • Genus: Rhea, Brisson, 1760

   • Family: Rheidae
   • Kingdom: Animalia

3. a-z-animals.com › animals › rheaRhea - A-Z Animals

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   Dec 7, 2022 · There are three recognized species of rheas and several subspecies. The Greater Rhea is the largest. The Lesser Rhea, also known as the Darwin’s Rhea, and the Puna Rhea, formerly a subspecies of the Lesser Rhea, are the other known species. What makes rheas special?

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   • Works For: A-Z-Animals.Com

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4. www.britannica.com › animal › rhea-bird-groupRhea | Flightless, South American, Ratite | Britannica

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   Mar 22, 2024 · During the Years 1832 to 1836 (1839–43) by Charles Darwin. (more) rhea, either of two species of large, flightless birds in the family Rheidae, order Rheiformes. They are native to South America and are related to the ostrich and emu.

   • Author: The Editors of Encyclopaedia Britannica

5. animals.net › rheaRhea - Description, Habitat, Image, Diet, and Interesting Facts

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   Animals Network Team. Rheas are tall, flightless birds in the Rheidae family. Within the family, researchers recognize two living species of these birds, the Greater Rhea, and the Lesser Rhea. Both species hail from South America, where they live in different regions.

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6. animaldiversity.org › accounts › RheidaeADW: Rheidae: INFORMATION

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   By Danielle Cholewiak. Rheas be­long to the order Struthion­i­formes, or ratites. There are two gen­era within this fam­ily, Rhea and Pte­roc­ne­mia, and most clas­si­fi­ca­tion schemes rec­og­nize one species within each genus. They are found ex­clu­sively in South Amer­ica, usu­ally in open grass­lands (campo).

7. www.newworldencyclopedia.org › entry › RheaRhea (bird) - New World Encyclopedia

   www.newworldencyclopedia.org › entry › Rhea

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   There are two existing species of rhea: the greater or American rhea ( R. americana) and the lesser or Darwin's rhea ( R. pennata ). Wild rheas provide important ecological values as part of food chains.

8. animalbehaviorcorner.com › rhea-birdsRhea Birds - AnimalBehaviorCorner

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   Jul 22, 2023 · Rhea Birds encompass two main species that dominate the landscapes of South America: The Greater Rhea (Rhea americana) and the Lesser Rhea (Rhea pennata). Greater Rhea. As the largest flightless birds on the continent, these majestic creatures have captivated the curiosity of both researchers and wildlife enthusiasts.