Purple Mountain (Kerry) metres. Purple Mountain (Kerry) Purple Mountain () at high, is the 21st–highest peak in Ireland on the Arderin scale, and the 28th–highest according to the Vandeleur-Lynam scale. Purple mountain is the highest peak of the Purple Mountain Group, and is located in County Kerry, Ireland. Purple Mountain is composed of sandstone particles of various sizes which are collectively known as "Old Red Sandstone". Old Red Sandstone has a purple-reddish colour, and has virtually no fossils. The colour gave its name to the mountain group. The composition of "Old Red Sandstone" is variable and contains quartz stones, mudstones, siltstones, and sandstone
Small ground finch Latin for "sooty". It is known to hybridize (rarely) with the medium ground finch. This is the smallest of the ground finches, measuring in length . Its beak is short and pointed, with a slightly curved culmen. On average, its beak is smaller than that of the medium ground finch, though there is a significant overlap in size between the two, particularly on islands where only one of the two species exists. On islands where the two species compete directly, the differences between their beaks are greater. The male is black with white-tipped undertail coverts, while the female and young