Sminthopsis murina

Common Dunnart at Nanima, NSW

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Identification history

Sminthopsis murina 10 Sep 2025 Liam.m
Isoodon obesulus obesulus 10 Sep 2025 CarbonAI
Sminthopsis murina 10 Sep 2025 Liam.m
Unverified 9 Sep 2025 81mv

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5 comments

DonFletcher wrote:
   9 Sep 2025
Maybe a house mouse?
81mv wrote:
   9 Sep 2025
No, large dark eyes, sharply pointed snout, fairly short tail. Antechinus or dunnart but it was too deep in the bush to get a good look.
DonFletcher wrote:
   10 Sep 2025
@81mv where is its tail please, I cant see it? And are those eyes really different to a House Mouse?
The habitat is wrong for Antechinus and I think the snout is not pointed as much as Antechinus. I think the contest would be between Common Dunnart and House Mouse but the animal in the images seems to lacks the head striping of a dunnart, which I would have thought could be readily visible in a dorsal closeup view such as this. Also its nose seems less pointed than a dunnart but I'm unsure, depending on the angle ...

@Liam.m how confident are you about Common Dunnart?
Liam.m wrote:
   10 Sep 2025
@DonFletcher pretty confident. I think house mouse can be ruled out pretty easily based on what @81mv has said, though it would’ve been easier if we could see the tail also. I think the shadows may make the head stripe less visible, but I think it’s worth noting that in my experience (living on a property where we find dunnarts from time to time) I have found that as a general rule the head stripe is not super pronounced in any individual of this species in the area (but this is just my personal experience). I would be willing to call it.
DonFletcher wrote:
   10 Sep 2025
@Liam.m Thanks for that. Be my guest ...

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