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In Biology Letters this week is the report of a new giant monitor lizard discovered in the Phillipines.  Varanus bitatawa is 2m long, brightly coloured and has a double penis, and lives high up in the trees on the island of Luzon. 

It always amazes me when new species of large vertebrates are discovered in this day and age, when you would think that the majority of the world has been given a thorough going-over, and that 2m long lizards would have been noticed.  Actual new discoveries – as in “thats the first time we’ve seen THAT animal”, as opposed to an organism thats been known about for years but only been named as a separate species on the basis of DNA analysis – are pretty rare these days.  So I was slightly disappointed to find out that Varanus bitatawa is only a new discovery from a western scientific perspective - Filipino tribal hunters have of course known about it for years. 

National geographic has more on the discovery here.

Varabus bitatawa (photo by Joseph Brown)