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March 23, 2010

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Large mammals on the summit of Auyan Tepui: The order Pilosa on the tepuis.

Abstract: Since their formal description by western scientists over a century ago, the dramatic tepuis of the Guiana Highlands (GH) have been a source of fascination and continuing scientific research starting with Roraima Tepui and proceeding to Auyan Tepui in the 1930s. After nearly a 80 years of exploration and surveying, the scholarly concensus is that larger mammals are absent from the tepui summits. However, consistent reports of larger anaimals sighted on the tepui summits (almost exclusively lowland organisms), continues. The 2008 photographing and sighting of the Southern Tamandua Tamandua tetradactyla on the summit of Auyan Tepui represents an interesting case of medium sized exclusively insectivorous mammal living on the summit of a tepui. Diagnosed as Tamandua tetradactyla nigra , this animal is mentioned to inhabit the summits of Auyan Tepui by Tate in the late 1930s. Other forms of the order Pilosa mentioned to inhabit the tepuis are the giant anteater Myrmec

Confirmation of Puma concolor on the talus slopes of Auyan Tepui

Recently, Biokryptos has been working to maintain our project Tepui Watch on the summit of Auyan Tepui. The work has been difficult and we have needed to re-evaluate our survey strategies and replace and service our camera traps. In October 2018, with the assistance of board member Alberto Pomares and lead investigator Arturo Berti, the camera traps were tested on the talus slopes of Auyan at Campo Guayaraca to determine their functionality. This three week long test resulted in startling images of the big cat Puma concolor (aka puma, mountain lion, leon de montana) on the talus slopes of Auyan Tepui at Campo Guayaraca , 1,100 meters asl. Puma captured September 22 2018 using a Moultrie 180 camera, Campo Guayaraca 1,100 meters elevation Camera Trap Test Early in 2018 all cameras were removed from the summit and taken into Caracas for inspection and repair by board member Vittorio Assandria. Of the twelve camera traps used by Biokryptos since our pilot study in 2012, eight

Auyan Tepui 2014: Expedition to Salto Churum, introducing Tepui Watch 2014

Introduction For the past several years, I have undertaken a series of investigations and inquiries into the biodiversity of the unique tepui ecosystems in the Guianan Highlands of Northern South America. This investigation has led me to produce two published articles on the subject of tepui summit fauna and conservation. The success of these two academic papers (a third is on the way) has encouraged me to increase and expand my efforts in this area, identify research gaps, areas of possible danger to the long term survival of tepui summit biota, and seek to identify work and strategies which can be undertaken to mitigate future problems in the unique Pantepui ecosystem. In 2012 I initiated a camera trapping pilot study with the assistance of Alberto Pomares, Vittorio Assandria, Paul Stanley, and three expert Pemon guides Arturo Berti, Santos, and Nixson. The success of the pilot study in obtaining photographs of tepui summit animals led to the need increase the parame

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