What are the differences between Mountain & Lowland gorillas?

Question

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Answer 1

Mountain gorillas live at the highest elevations, from 2200 to 4000 m (7218 to 13,123 ft), in the Virunga Volcanoes while eastern lowland gorillas occupy submontane forests from 700 to 2900 m (2297 to 9514 ft)(Butynski 2001). Where mountain gorillas exist, there are two rainy and two dry seasons per year, with average rainfall of 2000 mm (6.56 ft) per year (McNeilage 2001). The rainy seasons are from March until May and September to November while the dry seasons are June through August and December through February (McNeilage 2001; Robbins & amp; McNeilage 2003). Temperatures range between 3.9° C (39° F) and 14.5° C (58° F), though they may reach 25.8° C (78.44° F) (Sarmiento 2003). Eastern lowland gorillas live in primary and secondary forests in both highland and lowland forests across their range. They occupy montane, bamboo, and lowland forests at elevations of 600 to 3308 m (1969 to 10,853 ft)(Ilambu 2001). There are two rainy seasons, the first lasting from March to June and the shorter lasting from September to December. There are also two dry seasons, the longer from June to September and the shorter from December until March (Yamagiwa et al. 1996).


Western gorillas live in lowland, swamp, and montane forests from sea level to 1600 m (5249 ft)(Butynski 2001; Sarmiento 2003). As their common name implies, western lowland gorillas live in lowland and swamp forests at elevations up to 1600 m (5249 ft) while Cross River gorillas inhabit low-lying and submontane forests at elevations from 150 to 1600 m (492 to 5249 ft)(Sarmiento 2003). Western lowland gorillas that live in mixed swamp forests experience one rainy and one dry season per year. Average rainfall is 1526 mm (5.01 ft) with the greatest amount of rain falling between August and November and diminishing during December through March (Poulsen & amp; Clark 2004).

Answer 2

Genus Gorilla
Western Gorilla (Gorilla gorilla)
- Western Lowland Gorilla (Gorilla gorilla gorilla)
- Cross River Gorilla (Gorilla gorilla diehli)
Eastern Gorilla (Gorilla beringei)
- Mountain Gorilla (Gorilla beringei beringei)
- Eastern Lowland Gorilla (Gorilla beringei graueri)

"The Mountain Gorilla (Gorilla beringei beringei) is one of two subspecies of Eastern Gorillas. There are two populations. One is only found in the Virunga volcanic mountains of Central Africa, within three national parks: Mgahinga, in south-west Uganda; Volcanoes, in north-west Rwanda; and Virunga, in the eastern Democratic Republic of Congo (DRC). The other is found in Uganda's Bwindi Impenetrable Forest. Some claim that the Bwindi population in Uganda is a third subspecies, although no formal taxonomic description has been published.

A census taken in 2003 has shown a 17% increase in population size since 1989. There are now a total of 380 gorillas in 30 social groups in the Virungas[3] and a total of about 320 in Bwindi. However, the Mountain Gorilla continues to be considered critically endangered on the IUCN Red List of Endangered Species. It faces an extremely high risk of extinction in the wild due to habitat loss, poaching, human disease, and war.[2] All in all there are only around 700 Mountain Gorillas left."

"The Mountain Gorilla has longer and darker hair than other gorilla species, enabling it to live at high altitudes and travel into areas where temperatures drop below freezing. It has adapted to a life on the ground more than any other non-human primate, and its feet most resemble those of humans. Gorillas can be identified by nose prints unique to each individual; researchers often use photographs and illustrations of noses for identification and monitoring."

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"The Eastern Lowland Gorilla (Gorilla beringei graueri) is a subspecies of Eastern Gorilla that is now only found in the forests of eastern Democratic Republic of the Congo.

This subspecies is more robust in appearance than the Western Lowland Gorilla, having longer teeth, a stronger jaw and a broader torso. They have black coats which in males, like other gorillas, turns silver at the back as the animal matures."

"The Eastern Lowland Gorilla subspecies is the largest living primate. The maximum size of a male gorilla can be over 225 kg (500 lb) and 1.83 m (6 ft) in the wild, with much heavier weights recorded in captivity."

Answer 3

Mountain Gorillas. Watch this compelling documentary that will surely blow your mind.

https://www.youtube.com/watch?v=cYUFfvbB5-o