Brown Antechinus (not a mouse, but in a house)

My neighbour heard scrabbling noises in his young son's wardrobe, and managed to capture the intruder. It was neither a Rat, nor a Mouse, but a Brown Antechinus.

Brown Antechinus - head on

We got it into a kitchen tidy with sides sufficiently high that it could not jump out, to allow some photographs to be taken.

From above it has a fine set of whiskers

a pointy nose, and prominent "bug eyes".

Brown Antechinus seen from above.

This small Marsupial is very agile.

One of the reasons is the fine toenails it is using here 

to try to climb the inside of a plastic Kitchen Tidy (bin).

Brown Antechinus has very fine toe-nails - perfect for climbing.

As I held the little Marsupial in my hand, it was very keen to use its needle-fine teeth to puncture my skin. I gave it a piece of ice-cream stick on which to bite, instead.
By nature, Antechinus are carnivores (as the teeth show), living mostly on small insects, and worms.

The eyes are closed as it is trying to chew hard 

on what was in its mouth. 

But this photo shows the full set 

of this marsupial's carnivorous teeth 

on the lower jaw. (click to enlarge image).
(DJW edit: Photo taken by Matt's wife, Kat.)

Double teeth at back of jaw, and fine "needles" at the front end.

As the little kid, in whose room the Antechinus was found, was not happy about an animal (of any kind) living in his cupboard, and appearing at night to wander around the child's bedroom, we safely relocated it to the my backyard (which is a cat-free zone). Incidentally, she was a non-lactating female, so that ought not be problematic. She is not leaving any youngsters behind. Besides, it is just up the road 100 metres. In fact, she is probably back where she came from as I write. (Lets hope not).

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Australian Museum fact sheet on how to tell Antechinus apart from a Mouse notes:

• "The faeces or 'scat' of small carnivorous marsupials such as the Brown Antechinus do look different to those of a House Mouse under magnification.
• Visible on the surface of the Antechinus scat should be a variety of fragmented insect parts. 
• The scat of rodents such as mice (which feed mainly on dry and fresh vegetable matter) is less defined and more uniform in colour"

You may read more about the lifestyle and habits of the Brown Antechinus here.