
Approximate distribution of Yellow Spotted Monitors (Varanus panoptes)
Note that a 3rd subspecies called the Argus Monitor (Varanus panoptes horni) (RED ON MAP) which is found in New Guinea and some Torres Strait Islands.
According to Glen Storr of the WA Museum the Argus Monitor (Varanus panoptes horni) is a synonym of Varanus panoptes panoptes
Approximate distribution of Yellow Spotted Monitors (Varanus panoptes)
The Northern Yellow Spotted Monitor (Varanus panoptes panoptes) is Shown in GREEN on the map.
It is also found on some offshore islands
The Desert Spotted Monitor (Varanus panoptes rubidus) (ORANGE ON MAP) may have a solid yellow tail tip like most Sand Monitors (Varanus gouldii),
whereas Varanus panoptes panoptes usually has a yellowish tail tip which as some banding on it.

Desert Spotted Monitor (Varanus panoptes rubidus) photographed north of Meekatharra, WA
- Copyright Jean and Fred Hort "Peace" by jeans_Photos is licensed under CC BY 2.0 
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Yellow Spotted Monitor (Varanus panoptes panoptes) inserts its head inside this dead wallaby for a feed.

This Yellow Spotted Monitor (Varanus panoptes panoptes) has blood on its head after putting its inside this dead wallaby for a feed.
Notice the
banding on the tail which is commonly seen on this species.

This very large Yellow Spotted Monitor (Varanus panoptes panoptes) has a belly full of food

Young Northern Yellow Spotted Monitor (Varanus panoptes panoptes), Darwin area
Northern Yellow Spotted Monitor (Varanus panoptes panoptes), Darwin area

Northern Yellow Spotted Monitor (Varanus panoptes panoptes), Darwin area

Juvenile Northern Yellow Spotted Monitor (Varanus panoptes panoptes), Darwin area

Northern Yellow Spotted Monitor (Varanus panoptes panoptes), photographed in the "Top End", NT

Yellow Spotted Monitor (Varanus panoptes) photographed at Snakes Downunder Reptile Park & Zoo, Childers, Qld.