| A third factor contributing to elevated swimming energetic costs, particularly in semi-aquatic mammals, is the efficiency of the propulsor. |
| The councillor also suggested the animal could be a plant-eating semi-aquatic rodent from South America called a Coypu. |
| Nutria are large hystricomorph South American rodents adapted to semi-aquatic environments. |
| Sauropods were long believed to be semi-aquatic swamp wallowers, relying on the buoyancy of water to support their massive bodies. |
| Austral Pillwort is at first appearance a very unfern-like, semi-aquatic fern, resembling more a small fine grass. |
| Marsh treaders are also referred to as water measurers. They are semi-aquatic, because they skate over the surface of slow-moving water. |
