Lesser rhea

The cute birds from South America

CHUCAO

Native to South America, these birds are often found in the continent’s open grasslands and semi-arid regions. As the smaller of the two extant rhea species, the Lesser Rhea has adapted remarkably well to life on the ground, being flightless like its larger relative but no less impressive.

Sporting plumage that is primarily brown with white tipping, the Lesser Rhea exhibits a speckled appearance, which serves as an effective camouflage against the backdrop of tall grasses and scrub. The visual distinction between genders is subtle; females tend to have slightly duller plumage compared to males, and the young are typically a uniform dark brown, developing the characteristic white flecks as they mature.

These birds are adept runners and can reach speeds exceeding 60 km/h (37.28 mph), an ability that is crucial for evading predators, covering vast distances in search of food, and social interactions. Their powerful legs are not just for speed but also for maneuverability, allowing them to make sharp turns and sudden stops.

In terms of diet, Lesser Rheas are omnivorous, consuming a variety of foods ranging from fruits and broad-leafed plants to grasses. They also supplement their diet with small animals when available. Feeding in groups, these birds exhibit a social structure that can be quite complex, particularly during the breeding season.

The breeding season of the Lesser Rhea is a time of increased activity and vocalization. Males produce deep, roaring calls that serve to attract females and establish dominance over breeding territories. Unlike many bird species, it is the male Lesser Rhea that constructs the nest, which is nothing more than a shallow depression in the ground. After the females lay their eggs in the communal nest, the male takes over incubation duties and is solely responsible for the care of the chicks once they hatch.

Distribution

Country
Population est.
Status
Year
Comments
Argentina
2022
Bolivia
2022
Chile
2022
Peru
2022

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd / Flock

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No