Black-backed jackals: why family matters

In the jackal’s world, mum and dad stay together for life and their offspring are always eager to help. Patricia Moehlman can’t help but admire these amazing animals.

Black-backed jackal feature spread

In the jackal’s world, mum and dad stay together for life and their offspring are always eager to help. Patricia D Moehlman can’t help but admire these amazing animals.

The gritty 1973 thriller about an assassin plotting to murder the French president has much to answer for. Almost 40 years on, The Day of the Jackal continues to cast a long shadow over the lives of the wonderful animals that gave the film’s villain his codename. The word ‘jackal’ still invokes images of scavengers and terrorists, yet these stereotypes are far from the truth.
In fact, jackals make admirable role models. They lead a social, co-operative existence. The members of each family display loyalty, courage and generosity – traits that humans revere.
Above all, the adults form stable pair bonds. Monogamy is relatively unusual in the animal kingdom as a whole, and among mammals in particular, though it is common in the Canidae – the family that includes jackals, foxes, coyotes, wolves and African wild dogs.
But why? What are the benefits of forming lasting relationships? This was one of my first questions when I began studying jackals in the Serengeti.
Scorpio and Libra
My chosen subjects were silver-backed jackals. (Most books and websites insist on calling them “black-backed”, which has always struck me as odd, given that their beautiful grizzled upperparts are so striking.)
Every day I would get up before dawn to search for these small, fleet-footed carnivores. They have an uncanny ability to blend into the savannah woodlands, so, to gain an insight into jackal family life, I started following a male and female, who I christened Scorpio and Libra.
When I first encountered the pair, Libra had six newborn pups, and for the first three weeks Scorpio brought her food in the den. As soon as he arrived she would lick his muzzle, prompting him to regurgitate the contents of his stomach (usually grass rats). This enabled Libra to stay with the pups and nurse them at regular intervals.
I later discovered that Scorpio also fed his mate during her pregnancy, so that, in their own way, both parents provided food for their offspring from the time of conception.
Sex differences
Scorpio and Libra’s roles had symmetry and equality. They both marked and defended their home territory, and they groomed each other, hunted together and shared food. But there were differences in what they considered most threatening to the stability of their home and family.
Scorpio would chase away rival males, but did not seem to mind intruding females. Libra was the exact opposite. She immediately saw off female trespassers while Scorpio merely watched.
I was struck by how much energy they put into their relationship. Pairs of jackals stay together for at least five years, which may constitute a lifetime bond, so it is clearly well worth the effort.
Raising a family
Scorpio and Libra had chosen the best time to have a family: the Serengeti’s dry season (June–August), which is when the rodents that form the bulk of their diet are most abundant. Like domestic dogs, jackal pups are born blind and without teeth. The youngsters’ eyes open after about 10 days, and they acquire their sharp puppy teeth at roughly the same time. It is vital that their mother stays in the den with them throughout the first few weeks to provide them with warmth, milk and protection.
At this stage, the young jackals begin to venture out into the open and slowly start to explore their surroundings. They move clumsily at first, but somehow manage to make a headlong dash for the burrow entrance whenever the ‘pup-sitting’ parent gives a warning yowl.
I was entranced by the sight of Scorpio and Libra fearlessly chasing much larger spotted hyenas away from their vulnerable offspring, while yowling and biting the animals’ rumps.
It's playtime
Jackal puppies spend hours playing with each other. Stalking, pouncing, wrestling and games of tag help them to develop the muscles and skills needed for survival in adult life.
When playtime is finally over, they sprawl beside the den, waiting impatiently for their parents to return from their hunting trip with full stomachs. The excited pups then rush to meet them, their tails wagging and their entire bodies wriggling with delight, before licking the adults’ noses to beg for a regurgitated supper.
Scorpio and Libra were sharing their territory with two other adults: a young male whom I named Orion, and a young female, Tamu. Both of them were studiously submissive, always greeting the ‘top dogs’ with heads down, low body postures and much tail wagging.
Often the subordinate jackals would lie belly-up in front of their superiors, and this would be rewarded with a grooming session from the older pair. But who were Orion and Tamu, and what were their roles in this family?
Two plus two
It was immediately apparent that the two young adults were a huge help to Scorpio and Libra. They offered food to Libra while she was lactating and to the pups when they left the den, and chased off hyenas that came too close for comfort.
Their presence also meant that Scorpio and Libra could leave the pups to forage further afield. Research has shown that two jackals are much more successful at bringing down gazelle fawns than single adults hunting on their own.
I suspected that Orion and Tamu were probably the grown-up offspring from the litter that Scorpio and Libra had the previous year. My subsequent research confirmed this hunch: jackals tend to stay with their parents to help raise the next litter.
But a young adult is able to reproduce at the age of 11 months, so why did these two individuals stay put rather than leave to find partners and start new families of their own?
Living off mum and dad
One reason is that it is difficult for young jackals to win territories and mates. By remaining with their parents, they can enjoy the benefits of living in a secure and stable environment – a bit like twentysomething humans who have yet to leave the family home.
For instance, when I followed Orion, I noticed that he often ventured beyond the boundaries of his family’s usual range. Perhaps he was searching for somewhere he could settle, or a potential partner. But the neighbouring territorial males would send him packing and he would flee with his tail between his legs.
So, for several months, both he and Tamu stayed on their natal territory, romped with their younger siblings, groomed them, protected them from hyenas and brought them food.



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