These tiny crocodiles may be at risk, but they can't be listed as 'threatened'
The Northern Territory's tiny crocs are freshwater crocodiles not a separate species. Despite this, some scientists think the crocs are unique and need special protection.
A new study suggests that the tiny pygmy crocodiles found in the remote sandstone escarpments of Arnhem Land, Australia, may not be a separate species from freshwater crocodiles, as some scientists had proposed. While these "pygmy crocodiles" are a unique ecological form of freshwater crocodile adapted to isolated escarpments, they are genetically not different enough to warrant listing as a separate species.
This has implications for their conservation, as targeted protections may be warranted for their unique adaptations and small size. However, a spokesperson for the Northern Territory Department of Lands, Planning and Environment stated that the study confirms the pygmy crocodiles are not genetically distinct enough to be listed as a threatened species.
The remote populations are currently naturally protected from many threats, but the spread of cane toads poses a significant risk. Further research is needed to better understand the extent of inbreeding and its effects on the pygmy crocodile populations.
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