Getting to know the species
Red-footed tortoise
Chelonoidis carbonarius
Chelonoidis carbonarius: a South American tortoise with variable colours, distinct from the yellow-footed species and Mediterranean tortoises.
Chelonoidis carbonarius photographed in Bolivia. Its common name does not mean all its markings are red.
Photo: Vincent A. Vos — Chelonoides carbonarius Bolivia (Wikimedia Commons) · CC BY-SA 4.0. Web copy resized and compressed, without cropping or retouching.
Chelonoidis carbonarius is a South American tortoise, also known in older sources as Geochelone carbonaria. It lives in environments different from those of Mediterranean tortoises: knowing its name is only the first step.
Why ‘red-footed’ is not enough to identify it
Red, orange or yellow markings may occur on the head, limbs and tail, against predominantly dark skin. Colour varies: do not identify the species by a single colour or automatically confuse it with the yellow-footed tortoise.
Forests, clearings and open habitats
Zoological sources describe a range of South American habitats, including forests of varying humidity, grasslands and savannas. A wide distribution does not mean that any temperature or humidity is suitable for every animal.
A diet to understand in context
In the wild it mainly eats plant material, including leaves, flowers and fruit, but also fungi and small amounts of animal material. This describes its ecology: it is not an invitation to offer leftovers, meat or improvised quantities of fruit. An appropriate diet requires species-specific advice and an assessment of the individual.
A long-term commitment
The longevity reported by the Smithsonian can exceed fifty years. Before taking one in, consider continuity of care, space, veterinary support and documented origin, not just the appearance of a young animal.
Do not release a non-native animal or house different species together simply because space is available. If you need to clarify its identity, gather existing information and seek a competent assessment, without unnecessary handling.
Science notebook · A traveller carrying seeds
A closer look at Chelonoidis carbonarius
The red-footed tortoise takes us beyond the Mediterranean model. Its diet and behaviour are intertwined with forests, clearings and seasonal fruit; its movements may also help plant life.
Adult carapace
Approximately 28.5–34 cm
The Smithsonian reports an average of around 28.5 cm for females and males up to 34 cm: figures with different meanings, not universal limits. [1]
Body mass
Up to approximately 9 kg
Value given for adult males in the Smithsonian profile, not a species average. [1]
Longevity
50 years and beyond
A zoological indication of a long lifespan, not a promise of survival. [1]
Length refers to the carapace, excluding head and tail. Averages, maxima and records are distinguished: they are not growth targets or diagnoses for an individual animal.
Species atlas
Where it lives in the world
South America · East of the Andes · Forests and savannas
- Indicative broad native range
Tropical and subtropical South America, with populations in forest and savanna mosaics east of the Andes. Some Caribbean occurrences result from human transport or have a debated history: they are not shown as native range in this continental overview. [2]
Editorial cartographic overview: discontinuous distribution and generalised boundaries, not an official map or a map of specific sites. Base map: Natural Earth, public domain. No locations of individual animals.
Between open habitats and vegetation cover
It does not live only in closed rainforest: the Smithsonian also describes seasonal forests, grasslands and savannas. Vegetation shelter is part of the landscape it uses. The label ‘tropical’ therefore does not define a single environment. [1]
Plants, fruit and opportunistic feeding
It eats leaves, grasses, flowers, fruit and fungi, with an opportunistic animal component. It is not appropriate to apply a Testudo diet automatically. A natural-history description does not establish feeding proportions or rations for captive care. [1]
Eggs beneath the leaf litter
Females generally lay 5–15 eggs, concealed in soil or leaf litter; the Smithsonian profile gives an incubation period of around 150 days. This figure helps explain the biology, rather than predict an exact hatching date. [1]
What the research measured
A 2022 experiment offered forty kinds of fruit to eight captive tortoises. In the subgroup of four animals used to measure transit, seeds remained in the gut for an average of around 19 days. The small sample and controlled conditions mean this figure cannot be treated as the normal digestive transit time for every individual. [3]
Sources and further reading
Research and synthesis: Tartarughe di Terra editorial team · Fondazione I Custodi della Terra ETS. Sources consulted on . Scientific monographs, studies and profiles from zoological institutions are listed here so you can consult the original information.
- Smithsonian’s National Zoo and Conservation Biology Institute (n.d.). Red-footed tortoise. Institutional zoological profile.
- The Reptile Database (n.d.). Chelonoidis carbonarius. Taxonomy and geographical distribution.
- Lautenschlager L., Souza Y., Galetti M. (2022). Frugivory and seed dispersal by the Red-footed Tortoise Chelonoidis carbonaria. Acta Oecologica 116, 103837. DOI: 10.1016/j.actao.2022.103837.
