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
Niviventer – help wanted with identification
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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?
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.
What size was it?
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.
I’d say Rattus tanezumi or R. losea, depending on tail length (longer than head+body in the latter).
Many thanks for your help Vladimir.