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Connecting With Western Lowland Gorillas in the Congo Basin

Updated on May 12, 2016

Joined: 23 months agoFollowers: 3Articles: 5

Republic of Congo

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Neptune the silverback. Photo: Matt Feierabend
Neptune the silverback. Photo: Matt Feierabend

Into the vast green expanse

We (my husband Matt and I):

  • wanted to see western lowland gorillas (Gorilla gorilla gorilla), which are a little-known species without the publicity attached to more popular mountain gorillas, and find out how to help them
  • were fascinated by the Republic of Congo, a remote place rarely visited by tourists which was also safe
  • were concerned about the future of the national parks of the Congo Basin, which harbour the second largest rainforest in the world after the Amazon and are threatened by logging.

Note the Republic of Congo should not be mixed up with the so-called Democratic Republic of Congo, which borders it. This latter nation, formerly a Belgian colony, has long been ravaged by a brutal civil war that is only just starting to abate. The Republic of Congo, on the other hand, used to be a French colony and has long been a peaceful, stable place.

Dr Bermejo; gorilla champion

In 1991, Spanish Primatologist Dr Magdalena Bermejo established a centre in the Republic of Congo to study the western lowland gorilla (Gorilla gorilla gorilla). Despite the number of these primates being greater than those of their counterparts, eastern lowland and mountain gorillas, western lowland gorillas are rated as 'critically endangered' in the IUCN Red List due to disease, poaching and loss of habitat. As they live in dense rainforest and are hard to study, Dr Bermejo 'semi-habituated' (i.e. conditioned) certain groups of these primates. This means that, while retaining their wild status and fear of humans, they will allow people to approach within a certain distance, so they can be studied and yet are not vulnerable to human attack.

Dr Bermejo allowed ecotourism companies access to two semi-habituated groups, named after their silverback, under strictly-regulated conditions:

Now let's find out more about the gorillas

Calliope, one of the more inquisitive and watchful female members of the Neptune pack. Photo: Matt Feierabend
Calliope, one of the more inquisitive and watchful female members of the Neptune pack. Photo: Matt Feierabend
Western lowland gorilla. Photo: Di Robinson
Western lowland gorilla. Photo: Di Robinson

Western lowland gorillas: top ten facts

Western lowland gorillas:

  1. are the smallest species of gorilla and also the most numerous and widespread
  2. live for about 35 years
  3. are vegetarian, eating a wide variety of fruits and plants
  4. have fur that is not as thick as that of mountain gorillas as they live in warm lowland tropical forests in middle and western Africa
  5. have a lovely brownish-grey coast with a raffish red or auburn crest, a pronounced browline and large brown eyes
  6. have females who are almost half the size of silverbacks
  7. have large home ranges they roam freely around
  8. sleep on trampled down vegetation on the ground somewhere different each night
  9. are messy: they defecate where they have slept and throw remains of their food around
  10. live in family groups where all adult members care for the young and each other.

Jewelled damselfly resting on marantaceae leaf, Republic of Congo. Photo: Matt Feierabend
Jewelled damselfly resting on marantaceae leaf, Republic of Congo. Photo: Matt Feierabend

Parc National d'Odzala-Kokoua, Republic of Congo

This spider looks scary but is probably not at all poisonous. Photo: Di Robinson
This spider looks scary but is probably not at all poisonous. Photo: Di Robinson

A precious paradise

Odzala-Kokoua National Park is a pristine region, much of which has not been explored by humans. Under the protection of African Parks, it contains savanna, riverine forest and other ecosystems as well as the marantaceae rainforest the gorillas rely on for food and shelter. They eat the stems of the marantaceae plants and trample down clumps of it to sleep on at night.

Marantaceae is a broad-leafed high-growing shrub and the dominant groundcover in the benign rainforest which harbours few dangerous animals or insects. Leeches and ticks are practically non-existent. There are not many biting and stinging insects, though there are malarial mosquitos, and mainly non-venomous snakes.

To get to this fascinating place, we flew for four hours from Brazzaville, the nation's capital, in a small chartered plane. Our route was mainly over swathes of different hues of green and winding tea-coloured rivers, over some of the most untouched and beautiful natural expanses I have ever seen which are home to an amazing array of birds including African parrots and bee eaters; mammals such as monkeys, bongos, galagos and forest elephants; reptiles and amphibians. Many of these species will be the subject of another Congo Basin-related hub page, to come.

Who wouldn't want to help preserve this amazing ecosystem and encounter our primate relatives up close?


Frogs on the trail, Odzala-Kokoua National Park, Republic of Congo. Photo: Di Robinson
Frogs on the trail, Odzala-Kokoua National Park, Republic of Congo. Photo: Di Robinson

Come gorilla tracking with us

Nona, alpha female of the Neptune pack, high in the canopy with her lovely baby. Photo: Matt Feierabend
Nona, alpha female of the Neptune pack, high in the canopy with her lovely baby. Photo: Matt Feierabend
Moth on marantaceae. Photo: Matt Feierabend
Moth on marantaceae. Photo: Matt Feierabend

Finding the gorillas

With our local gorilla tracker who was experienced in reading signs and monitoring gorilla movements and with our guide who gave us much useful information, we followed the Neptune group on Day 1 and Jupiter group on Day 2.

Interacting with the Neptune group

On Day 1, we had to hack through thick groves of marantaceae for several hours. The plants towered above us as we inched slowly forwards, trying not to trip over fallen stems. I felt like an explorer in a bygone age. Butterflies flitted.

After about 3 hours of slow manoeuvring, we came to a trampled down area where the pack had slept the night before: there were massive clumps of gorilla dung.

I picked up a half-eaten piece of orange fruit. 'Is that the gorillas?' I asked the guide. 'No, it's a piece of fruit,' he replied. Everyone's a comedian.

We heard sounds of something large pushing through the undergrowth and the crashing of branches. Trees swayed and then, above our heads, a gorilla was silhouetted against the lowering sky, watching us from a perch in the high canopy. We had found the Neptune group.

The silverback slowly descended down a tree trunk, hand over hand, watching us over his shoulder the entire time, then disappeared into the marantaceae thicket. Other gorillas peered down from above, some coming closer to get a better look at us. The dominant female, Nona, ran from branch to branch with her sweet baby clinging to her belly, putting as much distance as possible between us and her while Caliope, the inquisitve woman, gazed steadily at us from her position in the fork of a tree.

Young gorillas jumped and played, sometimes landing on branches that could not support their weight and cracked so they would swing to the ground. A watchful female ensured shenanigans were not too boisterous and dangerous.

The thrill of seeing these imposing yet gentle animals is impossible to describe. They looked at us with wise brown eyes and I felt unaccountably happy. It felt better than drinking a good bottle of wine with great friends.

For the entire hour (the maximum amount of time we were allowed to be there), I could not stop smiling. Seeing the shining eyes of my companions, I knew they too were grinning beneath the masks we all had to wear to ensure we did not infect the gorillas with any illnesses..

Afterwards, we skipped home, ignoring sore limbs and sweat.

Encountering the Jupiter group

On Day 2, we found the Jupiter pack easily and quickly. They were mainly on the ground, and some were digging. Before Dr Bermejo's research, it was not known that western lowland gorillas would make holes in the ground to find roots to eat.

Other gorillas rested in the sunshine and slept.

Another hour of pure pleasure followed as we drank in the sublime and peaceful atmosphere of the rainforest and observed our fascinating relatives.

The white-crested hornbill Tropicranus albocristatus is one of several species of hornbill living in Odzala-Kokoua National Park. Photo: Matt Feierabend
The white-crested hornbill Tropicranus albocristatus is one of several species of hornbill living in Odzala-Kokoua National Park. Photo: Matt Feierabend

Meet the gorillas

This poor baby gorilla from the Jupiter pack looks as if he or she has hurt one eye. Photo: Di Robinson
This poor baby gorilla from the Jupiter pack looks as if he or she has hurt one eye. Photo: Di Robinson

So many gorillas, yet so endangered. Why?

If you've just seen the video above, you'll have noticed the poor baby gorilla in the Jupiter pack with an injured face. Our guide told us he or she must have got caught in a thorny vine that ripped the skin. If the wound becomes infected and does not heal, the baby will probably die.

Infant mortality is high in these rainforest habitats, which are tough places to live despite their beauty. Only 65% of infants make it to adulthood.

These vulnerable primates are also critically endangered because:

  • 80% of their habitat lies outside protected areas meaning they are prey for poachers
  • they live in remote regions so much is still not known about them and little research has been conducted
  • the forests where they live are prone to Ebola outbreaks – the gorillas have no immunity to the virus which can wipe out an entire local population
  • much of their habitat has been destroyed by logging
  • females have a long gestation period (8.5 months) and look after their babies for 4-6 years, meaning there is a low birth rate
  • there is only one silverback a group meaning females transfer to other groups at will and packs are less stable than those of mountain gorillas that have two or three silverbacks.

Cassin's hawk-eagle Aquila africana inspects the rainforest environment. Photo: Di Robinson
Cassin's hawk-eagle Aquila africana inspects the rainforest environment. Photo: Di Robinson
This groovy beetle is only one of the amazing creatures to be seen in the rainforests of the Congo Basin. Photo: Matt Feierabend
This groovy beetle is only one of the amazing creatures to be seen in the rainforests of the Congo Basin. Photo: Matt Feierabend

Have an adventure and help the gorillas

Visiting the Republic of Congo is not cheap but there is probably nowhere else on Earth where you will have a pristine national park, and its plethora of amazing plants and menagerie of rarely-seen animals, practically to yourself.

Tracking and being with the gorillas is a thrill that's hard to beat, but there are other activities on offer too: walking through the savannah and riverine forest, wading through the bais, boating on the rivers or paddling in a crystal clear stream while sipping a glass of wine.

Accommodation-wise, you get to stay in one or more camps in or near Odzala-Kokoua Nataional Park on a package including food, drink, transport and some activities. Itineraries ranging from 8–12 days are on offer.

Better still, proceeds from your visit go to helping save gorillas and other endangered animals of the Congo Basin.

Get there now.

By visiting the Republic of Congo, you are supporting the government's pledge to preserve valuable gorilla habitat. Find out more

The World Wildlife Fund is working to preserve western lowland gorilla habitat. Find out more

You know heaps more now, right? Do the quiz to find out

Red-legged sun squirrel Heliosciurus rufobrachium. Photo: Matt Feierabend
Red-legged sun squirrel Heliosciurus rufobrachium. Photo: Matt Feierabend

Packing your bags for the Congo?

Are you intending to visit the Republic of Congo?

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The rainforest in all its glory. Photo: Di Robinson
The rainforest in all its glory. Photo: Di Robinson
The inquisitive, agile and beautiful western lowland gorilla. Photo: Matt Feierabend
The inquisitive, agile and beautiful western lowland gorilla. Photo: Matt Feierabend

Like this article? Rate this page

I hope you find this page informative, inspiring and interesting. If you think I should have included more information on a particular topic or you have helpful feedback, please share it in the comments section. And rate this page.

Check out my other hubs on African wildlife and travel, including:



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    • Ben 10 months ago

      Felt like I was there reading your article. To answer your vote question, if I had lots of time to travel, I'd definitely consider it.

    • Nicola 10 months ago

      Wonderful article and amazing photo's. Beautiful creatures. I agree with Ben, felt like you were there. Thank you for sharing.

    • Gavan Haire 10 months ago

      Hi Di

      Appreciate the amount of research and effort you have put into producing a wonderful article. Loved your photos as well.

    • Di Robinson profile image
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      Di Robinson 10 months ago from Sydney, Australia

      Thank you, Ben, Nicki and Gavan, for your lovely words, much appreciated

    • brendan atkins 10 months ago

      Nice work Di (and Matt!), thanks for sharing your exotic safari holiday with us home-bods.

    • Di Robinson profile image
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      Di Robinson 10 months ago from Sydney, Australia

      Thanks Bren, maybe you should write a hub page on Hawaii

    • Kit 10 months ago

      Excellent article, Di .. I only got 80% at the end quiz, not good enough!

    • Di Robinson profile image
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      Di Robinson 10 months ago from Sydney, Australia

      Thank you Kit, and 80% is an excellent result. Well done.

    • Matt 10 months ago

      Great Hub page,reminds me of how much fun it was to go there.

    • Di Robinson profile image
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      Di Robinson 10 months ago from Sydney, Australia

      Thank you hammy, it was great being there with you

    • Meron 9 months ago

      Thank you for sharing your adventures in this amazing corner of the globe.

    • Di Robinson profile image
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      Di Robinson 9 months ago from Sydney, Australia

      Thank you for taking the time to write such a nice comment Meron. See you for bushcare soon.

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