Abstract
The correct identification of animal signs is imperative when signs are used as evidence of a species’ abundance or distribution. On Groote Eylandt, burrow spoil heaps have been used in surveys for the threatened northern hopping-mouse (Notomys aquilo) as this indicator of presence was assumed to be unique to this species in this area. Using camera traps, positive identification from footage, and burrow excavation and mapping, we determined that spoil heaps made by the common delicate mouse (Pseudomys delicatulus) could not be differentiated from those of N. aquilo. The results demonstrate that more-reliable survey techniques for N. aquilo are required to aid management decisions for this species.
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