Greater Rhea
Greater RheaGreater RheaGreater RheaGreater Rhea

Greater Rhea

Rhea americana

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
5–10% · With luck
overall probability at Serra da Canastra National Park
44 Verified records at Serra da Canastra National Park
February Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The greater rhea (Rhea americana) is a species of flightless bird native to eastern South America. Other names for the greater rhea include the grey, common, or American rhea; ema (Portuguese); or ñandú (Guaraní and Spanish). One of two species in the genus Rhea, in the family Rheidae, it inhabits a variety of open areas, such as grasslands, savanna or grassy wetlands. Weighing 20–27 kilograms (44–60 lb), the greater rhea is the largest native bird in the Americas. In the wild, the greater rhea has a life expectancy of 10.5 years. It is also notable for its reproductive habits, and for the fact that a population has established itself in Northern Germany in the 2000s and 2010s. Wikipedia →

5–10% of wildlife watchers report a Greater Rhea sighting in Serra da Canastra National Park, based on 44 days of visitor records from GBIF citizen-science data.

📅 Monthly Probability

5–10
Jan
20–30
Feb
<5
Mar
<5
Apr
10–20
May
5–10
Jun
5–10
Jul
<5
Aug
10–20
Sep
10–20
Oct
10–20
Nov
5–10
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Emas National Park 🇧🇷 Brazil
40–50%
2 Iberá National Park 🇦🇷 Argentina
20–30%
3 El Palmar National Park 🇦🇷 Argentina
20–30%
4 Serra da Canastra National Park 🇧🇷 Brazil
5–10%
5 Chapada dos Guimarães National Park 🇧🇷 Brazil
<5%
6 Parque Estadual Encontro das Águas 🇧🇷 Brazil
<5%
7 Noel Kempff Mercado National Park 🇧🇴 Bolivia
Insufficient data
8 El Impenetrable National Park 🇦🇷 Argentina
Insufficient data
9 Amboró National Park 🇧🇴 Bolivia
Insufficient data

Quick answers

What are the chances of seeing a Greater Rhea in Serra da Canastra National Park?

About 9% of wildlife watchers report a Greater Rhea sighting in Serra da Canastra National Park, based on 44 days of visitor records from GBIF citizen-science data.

When is the best time to see Greater Rhea in Serra da Canastra National Park?

February has the highest sighting rate for Greater Rhea in Serra da Canastra National Park in our monthly data.

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