Brief description of what you observed
Some big nearby black harvestman, as in many cases one leg lost.
The circular body should have had ca. 7 or 8 mm diameter, legs estimated at least 4 cm long.
It seems not to be rare in the gorge.
Opiliones: Laniatores: Triaenonychidae: Algidia sp.
ID based on this site: http://www.museunacional.ufrj.br/mndi/Aracnologia/opiliones.html
and this original image at: http://www.flickr.com/photos/artour_a/4969273785/in/photostream/
This is the only harvestman I've seen to date in the dunes at Ocean Beach, but it is widespread and common.
Periferia Presa Constitución 1917. San Juan del Río, Querétaro. Laura Uribe, Grupo Vasconcelos ITSJR
Found wandering over fresh snow in alpine zone
Spider with orange thorax and brown body. Found in the bush in damp dark place with a pile of germinating kahikatea seeds. What is it?
Harvestman at moth light
Opiliones (formerly Phalangida) are an order of arachnids commonly known as harvestmen. As of December 2011, over 6,500 species of harvestmen have been discovered worldwide, although the real number of extant species may exceed 10,000. The order Opiliones includes four suborders: Cyphophthalmi, Eupnoi, Dyspnoi, and Laniatores, and representatives of each can be found on every continent except Antarctica (with the exception of Dyspnoi, which is restricted to North America and Eurasia). Well-preserved fossils have been found...