2 May 2018

Niviventer – help wanted with identification

Hi can anyone help with this niviventer – presuming I’ve got that bit of the id correct? It was photographed in mangroves not far west of Bangkok. Apologies for the poor photos.

Cheers

Steve

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6 Comments

  • 4 May 2018
    Vladimir Dinets

    Seem to be only two Niviventer species there: N. tenaster and N. fulvescens. The former generally fits although it’s supposed to have an orangish line on the flank; the latter is usually yellowish or reddish brown with bicolored tail. But why do you think it’s a Niviventer and not a Rattus?

  • 4 May 2018
    Steve Babbs

    Simply because it didn’t seem ‘quite right’ for a Rattus and because it looked quite good for a Niviventer in the Francis guide but I have no experience for Niviventers and I am more than happy to be corrected.

  • 4 May 2018
    Vladimir Dinets

    What size was it?

  • 5 May 2018
    stevebabbs

    It’s hard to say but compared to brown rat – the only Rattus that I see regularly – probably about the size of a small one.

  • 6 May 2018
    Vladimir Dinets

    I’d say Rattus tanezumi or R. losea, depending on tail length (longer than head+body in the latter).

  • 7 May 2018
    stevebabbs

    Many thanks for your help Vladimir.

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