On top of being adorable, these animals are quite unique in many aspects. All four species of echidna, along with their close relatives, the platypus, are known as monotremes, and they are the only mammals to lay eggs rather than give birth to live young.
The entirely aquatic salamander, known as the olm (Proteus anguinus), is Europe’s most impressive cave-dwelling vertebrate. Or, more accurately, it is Europe’s only cave-dwelling vertebrate.
Biodiversity is crucial for healthy ecosystems, so we must protect wildlife based on their needs, not our values
Wildlife populations have declined by a shocking 68% since 1970, and we are running out of time to stop this trend.