Lion teeth by njwight

Lion Population: The Sad Story of Lion Math

The African lion population is currently estimated to be around between 20,000 individuals.(Panthera.org) It is fair to say the future of the African lion is in serious peril. Listed as vulnerable by IUCN, loss of habitat and conflict with humans are two of the most pressing threats lions face and both pose difficult challenges. Poaching, which feeds the burgeoning black-market demand for lion parts, and trophy hunting — legal and illegal — are also putting downward pressure on lion populations.

The Ideal Trophy

Out of the entire lion population, the number of remaining adult male lions is considered to be around 5000. A mature male lion, aged 4–8 years, is the “gold standard” for a successful lion hunt. Weighing about 180 kg and standing about 1.2 meters tall, these broad shouldered, magnificent cats are the most sought after trophy. Estimates for hunting are difficult to confirm, but numbers as high as 500 have been reported for lions killed legally each year in hunts. The ramifications of their loss in the overall lion population are far-reaching. When you unpack the numbers it becomes abundantly and frighteningly clear that the death of a single adult male lion can have a devastating impact on overall population numbers.

The Pride

A young male lion will leave his pride some time after the age of two and begin a challenging life as a nomad. As he grows stronger and older, he will seek out new territory, and eventually, a pride of his own. Male lions will often form a coalition with one or two others in order to increase their chance of success in challenging for territory. By the age of four or five, they might become dominant pride males. A lion pride can be made up of as few as three or more than forty individuals. An average pride may be closer to fifteen. There will be one, or often two, dominant males. In a large pride there could be as many as a dozen adult females.

Two male lions form a coalition.

The lioness are generally related and in many cases, stay with their pride for life. Depending on the number of breeding females, there will also be a brood of cubs. A lioness may give birth to up to six cubs, but an average litter is three. The pride lionesses of breeding age will often have their cubs at the same time because this allows the cubs to nurse from multiple Moms.

female with lion cubs.Lion pride in Kenya

The Sad Story of Lion Math

In the name of ego, sport and power, a trophy hunter takes aim with a high-powered rifle and kills a young male lion. (One lion dead.) This male, with his full mane, is the protector of his pride. Once killed, the pride becomes vulnerable. His coalition partner will be left to rule on his own. The threat from younger nomadic males looking for their own territory will often end in a fight to the death for this pride’s remaining male. (Two lions dead.)

For the sake of argument, let’s say the pride is twenty lions, including six adult females. Consider four of the females have an average of three young cubs. The first thing an incoming dominant male (or males) will do is kill the pride cubs. (14 lions dead.) However, a lioness’s first instinct will be to protect her cubs from rogue males. She will be fierce and in the process of defending her family she may sustain life-threatening injuries or die. Male lions will not waste their energy protecting another bloodline–they are hardwired to start their own. As long as a female has cubs she will not go into estrus. Killing her cubs resets her reproductive cycle and she will soon be ready to mate.

From the killing of one male lion for a hunting trophy the subsequent death toll for this pride could result in the loss of fourteen to eighteen lions.

lioness fights male lion

Between the years 2003–2013 there were an estimated 10,000 legally obtained hunting trophies of African lions. It is little wonder then, that the overall populations have plummeted. It is currently estimated that trophy hunters legally kill between 500–600 lions a year (IUCN estimate). Apply the above scenario to only ten percent of these kills and the potential loss is staggering.

The odds are not in their favour.

“A world without the distant roar of lions at dawn, as the mists start to lift, is too terrible to contemplate.” –Dereck Joubert

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