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Blue-tailed monitor

Extract from A Little Book of Monitor Lizards © D. Bennett 1995. Viper Press, UK

Varanus doreanus doreanus Meyer 1874

Varanus doreanus finschi Bohme, Horn & Zeigler 1994

Image
Varanus doreanus
The rediscovery of the blue-tailed monitor is the latest in an exciting series of discoveries by Wolfgang Bohme and Georg Horn. Described and forgotten, the holotype had been destroyed by a wartime bomb, but the precise description given by Meyer allowed the recent workers to identify it as identical to their new-found species (Bohme et al 1994). The blue-tailed monitor appears to be closely related to the mangrove monitor, V.indicus, and can be distinguished from this and other, similar, species by the smaller, more numerous, scales over the back, a brightly marbled underside, white tongue and a striped tail. Specimens are known from all over New Guinea and the islands of New Britain and Biak. The blue-tailed monitor appears to be restricted to intact forests and has been seen foraging on the ground. When threatened they do not take to water, as is almost invariably the case with the mangrove monitor. They can be tempted out of hiding with carrion or turtle eggs. V.doreanus finschi from the island of New Britain has a marked, rather than white, throat.

Blue-tailed monitors are exported to Europe and North America, usually under the name Kalabeck's monitor. In captivity they require a spacious enclosure that allows them to climb and a warm, humid climate.

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About Mampam
Bye Bye Butaan

 butaan1.jpg

Butaan start to visit fruiting trees before they are large enough to swallow the fruits. They make repeat journeys to trees, perhaps to reinforce memory of the position of the tree. If the youngster survives it may continue to use this tree for many decades. Fruiting trees like this are a vital resource for entire populations of butaan. Learn more >


 
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The Butaan Project
The Butaan Project - Foraging behaviour

butaan7.jpgWe use feces to investigate diet and activity areas of butaan. In total we have examined more than 1500 samples, possibly the largest ever collected for a single population of reptiles.  Butaan and their relatives are huge specialised frugivores, much bigger than any other specialised frugivorous animal in  the Philippines. They need a constant supply of fruit but lack the wings that allow other frugivores to forage in different forest fragments. Large and immobile, the butaan depends on a very narrow range of foods.

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