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OKAVANGO DELTA , BOTSWANA — It ai n’t easy being king . Take a look at a pride of king of beasts , and it becomes obvious that there are more female than Male , unremarkably at a ratio of about 2- or 3 - to-1 . Considering that male and female lions are assume in equal numbers , the question arises : What happens to the missing male person ?

That ’s the question explored by a new film called " Game of Lions " ( premiere Sunday ( Dec. 1 ) at 10 p.m. ET on Nat Geo Wild ) , take here in theOkavango Delta , a lush wetland where the Okavango River collides with the Kalahari Desert . The country is home plate to a peachy variety of animals , such as lions , leopards , elephants , buffalo and hippopotamuses .

Life is tough for lion cubs, but especially males: Only about 1 in 8 male lions survive to adulthood.

Life is tough for lion cubs, but especially males: Only about 1 in 8 male lions survive to adulthood.

It ’s no easy feat finding lions . But under the guidance ofDereck and Beverly Joubert , filmmakers and National Geographic explorer - in - residence , it ’s a child’s play . On the first afternoon of a three - mean solar day safari here , the couplet located a group of five lions , let in two young carnivore , as a group of four journalist drove to see them .

The first wad of wild lions is stirring , for a figure of intellect . The cubs themselves are endearing , but the adults — each of which well outbalance an nauseating linemen and sports paws the size of it of small dinner home — evoke a form of tense marvel consisting of awe , esteem for these powerful beasts , and something resemble fearfulness but more like an cognisance of one ’s mortality . They could easily kill us . But there are no words in the moment besides exclamation of mental rejection .

But none of that matters to the lions , who hold out on this landed estate and do n’t seem to pay any attention to visitors , drive about in a couple of Toyota Land Cruisers that are completely open to the air , no windows for detachment .

A young cub in the Okavango Delta, Botswana.

A young cub in the Okavango Delta, Botswana.

The Leo cub seem happy and devil-may-care , but their lives are not easy . Only about 1 in 8 male lions subsist to maturity , Dereck said .

bad childhood

All lions face high fatality rate as sonny boy , for a variety of reasons , including injuries , want of food , illness and being killed by adult lions — more on that later . But when manful lion set out to reach sexual adulthood around historic period 2 , the older male within the pride kick them out , Dereck say . The femalelions , which are usually all related to some degree , typically stay behind .

Filmmakers Dereck and Beverly Joubert, in their natural habitat, in Duba Plains camp, Botswana.

Filmmakers Dereck and Beverly Joubert, in their natural habitat, in Duba Plains camp, Botswana.

For a new male , " the treachery by his own blood must be confusing to him , but this is an ancient religious rite — the cast out of untried males into a world of unknowns — a world where he will be capable make it , or die , " said Dereck , 57 , who sports a white-hot byssus and search every chip the wilderness valet . Dereck and Beverly , 56 , seem to belong here in Duba , where they made other films about lions , including " The Last Lions " and " Relentless Enemies . " [ In picture : A Lion ’s spirit ]

After being kick out , the young males roam the countryside alone or in minor band , often with their brothers or full cousin , negotiating the no - cat’s - kingdom between district of other lions , said Luke Hunter , the president of the big cat conservation group Panthera , in a phone interview . If they stray into these territories , they are likely to be attacked and/or kill . A majority of male Lion die during this time , say Gabriele Cozzi , a investigator at Zurich University who was n’t involve in the pic .

This odyssey also cast them into contact with human , due to expansion of rural populations , Cozzi said in an email , increasing the chances they will be kill in a wire trap trap ( a non - selective , far-flung method of take hold of African game ) .

A photograph of a Yellowstone wolf pack surrounding a bison during a hunt.

If they live long enough to find a promising novel area , the next stride is to take over another superbia . But of course nonmigratory males will have none of that , and so they end up fighting , often to the death , Dereck said . They unremarkably do this as a coalition , often consisting of three or four " big , bruise males , " Hunter say .

Whenmale lionstake over a new district , they almost always kill the prides ' cubs , since they are not biologically related to and do not require to spend energy ensuring that other lions ' cistron will be pop off on . " They ca n’t be stepfathers , " Hunter told LiveScience . Female social lion also will not be sensory to mating while they are nursing , so belt down the cubs start the male lions to procreate , said Beverly .

The Jouberts have had their bonnie share of penny-pinching calls , and Beverly has saved Dereck ’s life many meter ( according to Dereck ) . They have survived several sheet collapse , being charged by a bruise elephant and , most recently , Dereck was bitten by a boomslang , one of the more deadly snakes in Africa . Dereck casually points to the scar left by the bite , saying that he still lacks feel in the area . The snack occurred days before a visit from the television political platform " 60 Minutes " — but instead of strike down , Dereck went through with the consultation . He eventually sought treatment at a South African hospital , he said .

a tiger looks through a large animal�s ribcage

Lion hunting

Only physically strong , intelligent and primed males survive to become adults in charge of a pride , Dereck said . And these Okavango Leo the Lion are belike the largest lion on the satellite . That ’s because there is an   teemingness of buffalo and other animals to prey upon , and the fact that the animals often walk through piddle in the delta ’s many streams , building up their muscularity , he tell . [ Photos : The big Lions on ground ]

But male Leo , for all their hardships , are look for after by trophy hunter . " Every now and then , a cub come forth as a struggle - frightened warrior , and then gets shot for the very calibre that have allowed him to be a subsister , " Dereck said .

Screenshot from a video of a family of four snow leopards prowling through the snow in the mountains of northern Pakistan.

There are only about 20,000 lions leave in Africa , Beverly said . Other estimates put the figure slightly higher , closer to 30,000 . Regardless , their numbers are pass up at an alarming charge per unit , experts agree . About 50 years ago , there were 450,000lions — a decline of more than 95 percent , Beverly added .

Trophy hunters , mostly Americans , kill nearly 700 lions per year , typically male person , Dereck say . Perhaps an even bigger job is the use of conducting wire trap traps by expanding rural populations in Africa , Hunter read . These traps get a variety of animals , which then die , attracting Lion , which then strike prey to the traps themselves , he add . [ 7 Iconic Animals Humans Are drive to Extinction ]

Spreading awareness

an aerial image showing elephants walking to a watering hole with their shadows stretching long behind them

The Jouberts said they hope that the movie will help people take account how difficult it is for male lions to survive to adulthood , and in bend discourage search of these animals . Viewing the creature up close shows just how easy it is to approach them , and make it percipient that lion hunting would n’t be peculiarly thought-provoking .

The killing of an grownup male in a pride can bedevil the group into topsy-turvyness , Dereck said . For example , this makes the superbia more vulnerable to attack from an outside chemical group of male , lead to upheaval and the almost certain violent death of any young cubs , Dereck pronounce .

In a distinctive natural population of lions , about 23 to 30 percent of the animals are Male , Hunter allege . But hunting geared toward male can skew that balance . In Zambia ’s Luangwa Valley , for model , hunting lately decrease the fate of males to 8 pct of the population , at least four time lower than it would normally be , he said .

Two young lions (Panthera leo) in the Masai Mara National Park in Kenya.

Beverly and Derek know among the iconic with child quat in Botswana , often spend day out in the bush living in their specially modified Land Cruiser , which can handle inscrutable puddles and river . They spent 18 month filming " Game of Lions " — which is less than one 60 minutes in distance — and another five months editing .

After visiting Duba Plains , the Jouberts ' commitment to carry through lions and get them on tv camera becomes more impressive . Most of the clock time , lion rest around , act very much like with child cat . In one instance they come powerful up next to the safari police car , in search of wraith , within an arm ’s reach . The lions made one successful killing during the trip , but it was at night in a marsh , just after a terrific thunderstorm and the beginning of the rainy season , Dereck articulate . In other word , the lions ' true nature does n’t needfully number out upon first glimpse , at least not to the extent that it does in the Jouberts ' film . But it ’s more than enough to respect their massive size , business leader and grace . And also their vulnerability .

" We want this film to be the beginning of the conversation " about lion preservation , Dereck said . Concerning the destiny of lion and other wildlife , the bad job is a lack of awareness and ignorance . " Once hoi polloi have skilful information , they unremarkably make good decisions , " he said .

Eye spots on the outer hindwings of a giant owl butterfly (Caligo idomeneus).

Broken tooth shown in the jaws of one of the lions.

Ugandan lion Jacob with standing in the dark in shrubland with half of his leg missing

a male lion with its eyes closed lying on a rock with wind blowing its mane

Photo of a lion sitting in a zoo habitat.

Zuri the lioness in April 2020, before she started growing a mane, and in August 2022, with her "awkward teenage" fluff.

A mountain lion rolls around in the snow.

An image comparing the relative sizes of our solar system�s known dwarf planets, including the newly discovered 2017 OF201

a person holds a GLP-1 injector

A man with light skin and dark hair and beard leans back in a wooden boat, rowing with oars into the sea

an MRI scan of a brain

A photograph of two of Colossal�s genetically engineered wolves as pups.

an abstract image of intersecting lasers

Split image of an eye close up and the Tiangong Space Station.