Species – See Animals Wild

April 1, 2025April 1, 2025

African elephant populations have stabilized in their Southern African homes

African elephant populations have risen and fallen incredibly fast over the last few centuries. It is estimated that as much as 20 million Savanah elephants roamed Africa in the year 1800, but in 1979 just 600,000 remained, and in 2016 just 415,000 live in Africa. At that point, over 100,000 had been poached in the previous decade.

Unfortunately, it is not merely a case of making more parks. Elephants are incredibly intelligent, but so called fortress reserves, are not good enough. Indeed, less well protected reserves, that are linked together by migration corridors, are far better for the elephant population, than the aforementioned fortress reserves.

These corridors have multiple benefits, from allowing elephants to leave overpopulated areas, to being able to move to places where food and water are available. It also means that the elephants can leave areas of heavy poaching, for instance the Virunga national park, where elephants virtually disappeared in the 1990s, but have started to return from Queen Elizabeth national park in Uganda, across the border.

Where animals cannot move, one often has a boom and bust kind of population dynamic. Now, it should be noted, that this is not always easy, as migration corridors are rarely completely empty of humans, so there is more conflict in these areas, never-the-less, it is clear that these corridors are essential, if these elephant populations are to survive into the long-term. Of course, it also leads to an interesting situation, where virtually all of the huge ecosystems in Africa are along borders, as this allows more than one country to share the cost.

Of perhaps greater worry, this population of 415,000 is both the African savannah and African forest elephant. Yet these two are completely separate species, African forest elephants are nicknamed the gardeners of the forest, and it is questionable whether it can survive as effectively in the long-term without their recovery. The African forest elephant had a population of 26 million in 1800, it is unclear how many are left, but what is clear, is that their population has collapsed in the last few decades.

March 25, 2025March 25, 2025

A Ugandan river has turned poisonous

There is a lot of wildlife that lives in rivers, as well as most species having to drink regularly

The Nyamwammba river, which runs through the Rwenzori mountains – in central western Uganda, having been flooding in an extreme way in recent years. This is enough of a problem, as there are many settlements among other things, that lie along the rivers course.

However, there is a bigger problem. Along the river course, are copper tailing pools from an old Canadian mining operation. However, these are being flooded and eroded with increasing frequency. Why is this a problem? Because these elements are bad for wildlife and human alike.

Having been washed into the river, they have found that they have infected most of the water supply and soil of the valley, with these deadly heavy metals. The cancer rates in populations living near these pools are far higher than normal, and there is a fear amongst scientists, that as flooding increases due to climate change, the heavy metal pollution will get worse, and therefore also the people affected.

Can the company be charged for the clean-up? Perhaps, at the time of the mines creation Uganda did not have strict enough environmental rules, though one would hope that a credible company would not have to be forced to clean up after themselves.

March 3, 2025February 26, 2025

Shrinking trees, and tuskless elephants – what other effects are humans having?

Humans are causing trees to grow smaller, as big trees are more likely to be harvested. In the same way, elephants are being born in some reserves without their tusks, as this means that they are less likely to be hunted (and therefore, those born without tusks tend to survive better and have more young).

Snails are developing lighter shells, in order to cope with heat better, and swallows are developing shorter wings as this is easier to avoid being hit by cars, are just some of the large number of effects that humans are having on the natural world.

The problem is if these impacts mean that the species is less capable of surviving (do tuskless elephants live as long?). Are humans becoming the primary threat for many species?

If so, we need to change that and fast.

March 1, 2025February 26, 2025

Scientists dissect the worlds rarest whale – the Spade-toothed beaked whale for clues on it (almost nothing is known about it)

researchers conduct autopsy on stranded spade beaked whale CC BY-SA 3.0

I wrote about this find (click here to read the original article) as one of just 7 of this species (spade-toothed beaked whale) to have washed ashore, it was too important an opportunity to find out something about this species in the wild.

Whales do eventually sink to the ocean floor, so it is quite difficult to know how many spade toothed whales there are left in the world (as we only encounter those which wash up on shore). They are thought to be very rare, but this is just conjecture. This is because, having been timed, holding breath for 87 minutes (and theorized that they might be able to last more than 2 hours), they would only have to surface perhaps 15 times in a 24 hour period. Furthermore, given their incredibly low profile in the water, they are likely capable of regularly coming to the surface without being particularly visible. It is true that they have been seen blowing spouts (the puff of moisture and air that signals a whales breath), but given their low profile, perhaps they are capable of exhaling in a less obvious way.

This one in question washed ashore in Otago, on South Island of New Zealand.

February 27, 2025February 25, 2025

Male dominance is perhaps less the default than thought amongst primates, a new study has found

Even before the study was started, it was known that some species are not male dominated. Above is a family of Bonobos, and these great apes live in a female dominated society.

Given our assumption that on male dominance, it is perhaps surprising, that only 58% of primate species have dominant males. Perhaps not surprising, as a result, every major primate group had at least one species which was female (or co-dominant) structures.

Indeed, with the gibbons (or lesser apes on this website, to check them out, click here to visit the home page, and then expand the species database, and click on lesser apes) all 5 species examined (there are a total of 20) have been classed as non-male dominant.

Amongst primates, this likelihood is (according to Lewis, the head of the study) relatively easily predicted, as tends to occur in the species, where there is little difference between the size of male and female members.

An example here, is clear: while a male gorilla can weigh twice that of a female, siamang gibbons only have males a couple of kg heavier than females – not surprisingly, while male gorillas are dominant, this is not the case with siamang gibbons.

It should be noted, therefore, that while 4 out the 5 species of great apes are male dominated (we assume this in humans as well, though, in the modern day, it would be hard to argue that we are not more of a co dominant species. Given that likely all the lesser apes (the gibbons) are more or less co-dominant, it follows, that even just looking at the apes, more are female dominant or co-dominant.

February 25, 2025February 25, 2025

The odd job of a pangolin carer

Have you heard of a pangolin? Would you recognize one? For many people, the pangolin is unfortunately known, only as a family of species, which have been poached for their scales (made of keratin, and with no medicinal basis) such that of the 8 species, half are endangered and the other half critically endangered. Click on any of the mentions of pangolin on this page to be taken to our pangolin family species page. This poaching is so extreme, that some estimate that this family of species are the most trafficked in the world.

Pangolin are very hard to take care of, which is why there are so few in zoos around the world. Indeed, the vast majority of even wildlife guides in somewhere like the Kruger have never seen a pangolin, even if they are known to exist in the park. A pangolin carers job, is to look after a pangolin, take it into the bush, and find places with many ants and termites, and generally get it ready to return to the wild.

An incredibly rare sighting of a pangolin within the Kruger national park

February 25, 2025February 25, 2025

Restoring a DRC reserve from a ‘triangle of death’ back into a thriving wildlife reserve

Upemba national park had virtually all its large mammals poached, but it is coming back (below is a 3 minute video about this decline).

Just a couple of years ago, 16 members of the Bakata Katanga militia suprised a party of 4 rangers within the park (close to the Upemba base camp). Lying in the south-east of the DRC, this reserve once teamed with life. Tens of thousands of elephants, alongside lins zebra and many other species roamed free.

February 12, 2025February 11, 2025

New snake species has arrived in the UK, after long absence should it be allowed to stay?

Aesculapian snakes are a new species to the UK, but are found in europe. Does that mean that it should be exterminated, It is having a problem in Europe, as temperatures are getting too high for it to thrive.

It is not actually new to the UK! Indeed, while it has been locally extinct for 300,000 years, its relatives have continued to live in Europe. It was lost from the UK in the last ice age, as being a cold blooded animal, it was unable to survive.

It should be noted, that it is around 14,000 years ago that the mammoth was lost from the UK, so our country would have likely been quite different. Still, as it was only lost from here, it is hard to argue that its introduction would damage the UK.

January 24, 2025January 24, 2025

‘Sky islands’ in Africa are producing more new species than anywhere else

Sky islands like this one Mount Lico in Mozambique

Sky islands are found across much of Africa. Our experience of sky islands, occurred within the Udzungwa national park in Tanzania. This national park protects a large portion of the Eastern arc mountains. – a chain of mountains which run across Eastern Tanzania.

Africa started drying out around 5500 years ago, and much changed at this point, including a great expansion of the Sahara. However, what is relevant here, is that in many parts of the continent, this caused the rainforests to retreat. More rain falls on higher ground, so you were left with a situation where the tops of hills and mountains remain forested, but the valleys become savannahs. Perhaps one of the most notable effects of this, was to split the worlds mountain gorillas into two populations, one in the Bwindi impenetrable forest in Uganda and the other in the Virunga ecosystem. At their closest point, these two protected areas are only 20km apart (though driving between the two are likely to take longer, as visitor facilities are not at these points). Unfortunately, this space between the two areas has a large human population. This means that the two mountain gorilla populations were stuck on their respective mountain homes, relatively close together, but with no way to cross the gap between.

Not researched until recently, there is a strip of mountains that runs from northern Mozambique to Malawi’s Mount Mulanje. As with the eastern arc mountains, rainforest was preserved on these peaks. These were finally given scientific attention by an internatiional team in the South East Africa Montane Archipelago study. While archipelagos are usually used to refer to a group of islands, it seems apt here. Among these mountains, there are around 30 fragmented pockets of grasslands and evergreen forests that have been largely cut off from each other.

This is perfect for housing unique collections of species, that have found themselves cut off from other habitat that they once roamed. This study, identified 90 species from amphibians(11), reptiles(22), birds(3), mammals(4), butterflies(39) and freshwater crabs(6), alongside 127 species of plant, not found anywhere else on earth. These sky islands are even being considered for their own ecoregion.

Big or small, it is important to protect these little ecological islands, and it should be possible to have tourists visit to give an extra income to locals.

January 21, 2025January 21, 2025

Pine marten roundup

For any readers who do not know what a pine marten is, the above will give you an idea. It is an arboreal predator (that is, it hunts in the trees). There are a total of 8 species of marten across the world. Historically, this was the second most common predator in the UK, with only the fox being more common.

Unfortunately, its habit of taking chickens lead to it being hunted ruthlessly. At the current time, it hangs on in Wales, and has a significant population in Scotland. In Ireland, the recovery is far further along.

In the UK, one of the reasons that we miss this little predator, is its impact on grey squirrels. Unlike the pine marten, the grey squirrel is not native to the UK, and its presence does much damage, from its impact on trees, and other plants, to the fact that it carries a disease which wipes out the reds rapidly (so they are incapable of living alongside each other). This is a species which I have followed closely, and while other matters have stopped me blogging on this species as often as I would like, it has not stopped me from reading about it, so you will find summaries of a variety of stories below.

Reintroduction project in Dartmoor: 15 pine martens were released in secret locations within Dartmoor in September. A total of 7 conservation organisations have been involved in this translocation. It is a total of around 150 years since pine martens were last in the area, but the translocated individuals are settling and slowly dispersing across the landscape.

To the right you will find a tiktok video which will give you details on this reintroduction.

While there is no idea where the pine martens came from, they appear to be doing well, and as the video shows, are breeding. While they have not been there long, so there is little evidence yet, it is highly likely that the pine marten arrival will be bad for local grey squirrel populations (a non-native squirrel which does much damage to UK woodland). This is an area of excitment and should be followed closely.

Pine marten spotted on Longleat estate

Pine marten caught on camera trap in Longleat estate in Wiltshire. It is unclear where this individual came from, lying half way between the forest of dean and the new forest (but far from both), but it is thought it has arrived naturally. While red squirrels would not be able to reappear in this part of the country, without help, as all surrounding areas have grey squirrels, should the pine marten survive, it is likley to greatly impact the local popualtion, and create an island, into which red squirrels could eventually return.

Pine marten in the forest of dean

Pine marten were translocated from Scotland into the forest of dean, beginning in autumn of 2019, when 19 were introduced, and a further 35 joined them in the next 2 years. Last summer, there was an estimate of 60 living in the forest, which while not a big increase, it has not fallen.

While the forest of dean covers just over 200 square miles, it is thought that 60 is roughly the carrying capacity. That suggests that the pine martens in the forest of dean need roughly twice as much space as elsewhere, so time will tell if the population can grow beyond this level. Still, it seems likely that this number of pine martens should be able to eradicate the grey squirrel, or at least greatly reduce its number in the area.

The below video shows 3 cubs from around 4 years ago.

Pine marten in the forest of dean

Research is being done on whether pine martens can live in timber forests – which account for a lot of forest in Scotland

Some simple changes may well allow timber and pine martens to flourish alongside each other. Across 1 woodland, a number of nest boxes have been added, which appears to be helping. The plantations are also looking at letting some older trees stay standing, as these are where cavities appear, which is the pine martens natural home. This research is being carried out in the forest of Ae and around Castle O’er.

Pine martens have turned up in a London cemetery, in area of England where they have not been seen for 150 years

The Zoological Society of London ZSL (London Zoo) already had a project in the area with remote cameras, as it is a stronghold for the hedgehog (unfortunately, another species with a horrific decline in the last 20-30 years). It was just one (and this was in 2022, so may well be gone), but it is exciting that such a small area can house an animal like this.

The Forest of dean, is 80 miles away, which is the nearest population, so it is thought that this might have to be the result of an illegal translocation (they are being translocated, but should be done by professionals, with checks and more.

Pine marten recovery is further along, and helps understand how it will work in England, particularly in cities (not the safe zone once thought)

Once almost extinct, for similar reasons in the UK (habitat destruction, and persecution) in 1976 they were given legal protection, and at the same time, forestry started to expand once again. The pine marten is how living in around 45% of Ireland.

The red squirrel is recovering as a result. There was a fear that grey squirrels would survive within cities, as pine martens are generally to shy to venture into even large parks within cities. However, what has been found, is that the abundance of squirrels in cities is a mirage – there are only sustained by populations outside the city, therefore, should places like the green belt around London get settled by pine martens, it is likely that the London squirrels would disappear within a few years.

Similar to elsewhere, pine martens have now also been introduced to the Lake district.

Pine marten spotted on Longleat estate

Pine marten in the forest of dean

Pine marten in the forest of dean

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