Living BeingsCompare species
Green Sea Turtle
Chelonia mydas
African Savanna Elephant
Loxodonta africana
How to compare two organisms
Choose two species and trace their closest shared group. Then compare a trait with the same definition on each side. Check the units, life stage and context before interpreting a measurement or range.
Missing data means that the collection lacks a sourced value. Where a characteristic does not apply to a lineage, the comparison labels it separately. Open the two profiles for context and follow their sources before drawing a conclusion.
Evidence from the profiles
Compare their characteristics
| Trait | Green Sea Turtle | African Savanna Elephant |
|---|---|---|
| Physical traits | A streamlined shell, paddle-like forelimbs and a relatively small head suit marine life. The common name refers to body fat rather than a uniformly green shell. | Broad ears, a long trunk and column-like legs give the animal its familiar outline. The trunk tip has two finger-like projections. Both sexes can develop tusks. |
| Habitat and range | Seagrass beds, algal areas and other coastal habitats support feeding. Females require suitable sandy beaches to nest. | Savannas and open woodland provide a shifting mixture of browse, grass, shade and drinking water. Seasonal water availability influences the places that herds use. |
| Diet and nutrition | Many adults are primarily herbivorous. Juveniles may also eat animal material, so diet changes with life stage and locality. | Grasses, leaves, bark and other plant material make up its diet. The trunk gathers food and moves it to the mouth. |
| Behavior and activity | Turtles migrate between feeding and breeding areas and return to the surface to breathe. | Female relatives and their young form long-lasting social groups. Older females hold knowledge of familiar routes and resources; adult males have a different pattern of association. |
| Reproduction and life cycle | Females bury eggs in beach nests. Hatchlings enter the sea and pass through juvenile habitats before adulthood. | Calves are born alive and depend on milk and extended social care. Learning from other elephants is an important part of growing up. |
| Geographic distribution | The species occurs in tropical and subtropical oceans. Nesting and feeding populations should be interpreted regionally. | Native to sub-Saharan Africa. This account follows the savanna-elephant species concept rather than treating all African elephants as one species. |
| Ecological role | Grazing influences seagrass and algal communities, and movements redistribute nutrients. | Feeding and movement alter vegetation, and dung transfers seeds and nutrients. Habitat fragmentation and killing for ivory threaten populations. |
| Distinctive adaptations | Efficient swimming and orientation support travel between distant habitats. | Data unavailable |
| Conservation | The global IUCN assessment published in 2025 lists the green turtle as Least Concern. This global improvement does not remove regional threats from bycatch, coastal development or habitat loss, and it is distinct from national protection categories. | Data unavailable |
Classification
Shared ancestry
Closest shared taxon: Amniota.