Gorilla tourism has played a pivotal role in not only fostering the recovery of the endangered mountain gorillas (Gorilla beringei beringei) but also…[details]
Gorillas live in the dense rain forest, where group members often can't see each other, that's why sounds play such an important role in communication. Silverback males are uttering most of the sounds, most well known is the chest drumming, which can be heard over a long distance. Most sound expressions are rather low in volume: a grunt, that can be very versatile and probably has many differnt meanings.
Silverback Ziz feeding on bamboo
He pulls bamboo shoots from the ground, peels them and chews them.
Humming and singing
With such sounds, Gorillas show comfort and pleasure, for example when they find especially favoured food.
This soft grunt is the most usual vocalisation. By belching, the gorillas keep contact to each other and communicate different
A gorilla baby cries because it wants to drink milk.
When a silverback male is alarmed, he emits a characteristic sound.
Play with chuckling
Young gorillas are wrestling.
Even adult males sometimes engage in playful wrestling, in this case it is Ziz and Pablo.
Chestbeating with hooting
Display of a silverback male.
This aggressive vocalisation is emitted to warn conspecifics or to rebuke them.
A conflict in the group
Two females have a dispute, other group members also take part in the conflict and the leading male tries to resolve it.
New research from the Dian Fossey Gorilla Fund analyses more than 50 years of demographic data to examine factors influencing variability in the…[details]
Tropical rainforests are characterized by seasonal fluctuations in fruit availability with important inter-annual variations in tree productivity.…[details]
Gorillas live sympatrically with chimpanzees in most of their distribution area, but there are only a few sites where both species have been…[details]
Climate change is in the media on a daily basis, but the focus is often on arid ecosystems, while we rarely think about its impact on animals living…[details]
"Social system” is an umbrella term that encapsulates the social organisation (size and demographic composition of a social group), social structure…[details]
In 2019, in Loango National Park, Gabon, we observed two lethal coalitionary attacks by chimpanzees on gorillas, with each attack lasting approximatly…[details]
Researchers at the Dian Fossey Gorilla Fund have used more than 50 years of data from Rwanda to discover how maternal loss influences young gorillas'…[details]
The number of mountain gorillas on the Virunga Volcanoes has increased continuously for four decades now, as was shown during the last censuses. The…[details]
A few years ago, when I was well into my now 30-year career studying gorillas, my father asked me, 'Don't we know enough about gorillas by now?'…[details]
Camera trapping has become a predominant method for wildlife monitoring (Burton et al. 2015; Steenweg et al. 2017), including primates (Gerber et al.…[details]
Western gorillas live in social groups that consist of one silverback, several females and immature offspring. Females rely on the silverback who,…[details]
A recent study unveils some of the enigmas associated with the social behaviour of the western lowland gorilla (Gorilla gorilla gorilla) from the…[details]
In many primate species individuals coordinate their activities, share space and form groups. But how do groups form, how long can they exist and how…[details]
Finding food and mates is vital for all animals, so that they can grow, maintain metabolic functions, and reproduce. The way animals use their…[details]
In November 2017, Wildlife Conservation Society (WCS) received a report of a lone male Cross River gorilla sighted near two Nigerian villages (Ofambe…[details]
When powerful silverbacks jostle for dominance within a group, they can sustain very serious injuries with their long canine teeth. Over the last 30…[details]
Culture is a large part of what makes us human. However, we are not the only species that exhibits culture. Culture in non-human animals, defined as…[details]
Chisato Abe's exhibition of paintings of gorillas called "The Dream of Forest" was held at the Art Gallery located in the newly opened mega-department…[details]
All species of great apes construct night nests; sometimes in trees and sometimes on the ground. This article is based on daily long-term observations…[details]
At the end of January 2016 the Dzanga-Sangha Protected Areas complex in the Central African Republic recorded the first ever western lowland gorilla…[details]
All animals - including humans - must eat to survive. The energy derived from food is necessary to sustain basic metabolic and muscle functions,…[details]
Gorillas spend the major part of their life in small social groups led by a mature silverback male. Only young blackback males and mature silverback…[details]
The 21-year-old silverback male Umushikirano (Rano), leader of Titus group in Volcanoes National Park, was found dead on July 28, 2014 by trackers.…[details]
December 22, 1956, was a historic day for the zoological world as we welcomed the first successful zoo gorilla birth - a female, eventually named Colo…[details]
Mawambi is a 43 km² lowland forest site, also known as Takpe/Awuri, located to the southeast of the Takamanda National Park in Cameroon. The Mawambi…[details]
The mountain gorillas of the Virunga Volcano Massif have been the subject of intense research and conservation efforts by the Karisoke Research Center…[details]
As the world's oil reserves continue to decline, interest from major petroleum companies in the largely unexploited reserves of African oil increases.…[details]
Western lowland gorilla tourism exists on a considerably smaller scale than that of the high profile mountain gorillas. Yet the successful habituation…[details]
Gorillas are known among the great apes for their fast life history patterns. In <link internal-link>zoos it is common for female gorillas to give birth before reaching…
Since 1999, a long-term survey of gorillas and chimpanzees has been conducted by Kyoto University in Moukalaba-Doudou National Park, Gabon. The…[details]
Following the widely perceived success of mountain gorilla tourism, there has been increasing interest in developing tourism based on the observation…[details]
On the 4th December 2007, staff of the Dzanga-Sangha's Primate Habituation Programme (PHP) witnessed the birth of a new gorilla infant into the…