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The most widespread pig species on Earth: wild boar
The most widespread pig species on Earth: wild boar The wild boar (Sus scrofa), also known as the common wild pig, is native to Eurasia and North Africa and introduced to the Americas and Oceania. Wild pigs are gregarious, forming groups or sounders of varying sizes depending on where in the world they live. Usually, these groups consist of between 6-20 individuals, though sounders of over 100 have been reported. The wild boar communicates with different sounds divided into three categories: contact, alarm and combat calls. Studies have shown that piglets imitate the sounds of their mother; that is why some litters may have unique vocalizations. Wild pigs are normally most active in the early morning and late afternoon; they will spend between 4 to 8 hours traveling to feeding areas and foraging together.
Wild boars are both highly adaptable and resilient to human pressure and may thrive under conditions of habitat modification and hunting. Throughout history, wild boars have been a primary resource of subsistence hunters, and now they are one of the most targeted animals for recreational hunting wherever it remains abundant. However, populations can be depressed in places where hunting intensity is high, for example, in eastern and southeastern Asia. Also, in some countries, wild pigs are killed because they are considered pests as a result of their depredations on crops. Currently, they are listed as least concern by the IUCN due to their wide range, abundance, tolerance to habitat disturbance, and presence in many protected areas.
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Neck-to-neck combat: Giraffes fight fair when they spar, researchers find
Probably the most elegant fight.
There is no great cruelty in giraffe fights, only during the mating season do the males become more aggressive and begin to use powerful kicks that can easily split the skull of the opponent.
It's a rare occurrence to see giraffes fight, but when master's student Jessica Granweiler observed their skirmishes up close, she discovered that it was much more complex than it first appeared.
Oftentimes, she found, giraffes engage in fair and honourable sparring matches with one another — without any intent to injure.
"None of them had any injuries whatsoever during their sparring events," Granweiler told As It Happens host Carol Off. "Whereas during fighting, they do."
In an aggressive fight, giraffes throw punches with the force of their large necks and can stab each other with their ossicones — the small horn-like knobs on their heads.
"You will see males with broken horns or with patches of bare skin on their bum, in the back, because of the fighting," she said.
Granweiler and her colleagues went to South Africa's Mogalakwena River Reserve to record the different kinds of fights giraffes engaged in from Nov. 2016 to May 2017. They published their findings in the Ethology journal last month, distinguishing sparring as a fair fight, or practice for an eventual brawl.
She spoke with Off about their work. Here is part of their conversation.
Jessica, people may have seen a bit of a giraffe fight in the odd nature documentary. But what is it like to watch giraffes getting this aggressive when you're close up and watching them?
It's very impressive. You definitely don't want to get too close. It's like two towers getting against each other. It's very impressive.
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Come on, come on, don't be greedy!
Come on, come on, don't be greedy! The cheetah (Acinonyx jubatus) is a large cat native to Africa and central Iran. It is the fastest land animal, estimated to be capable of running at 80 to 128 km/h (50 to 80 mph) with the fastest reliably recorded speeds being 93 and 98 km/h (58 and 61 mph), and as such has several adaptations for speed, including a light build, long thin legs and a long tail. It typically reaches 67–94 cm (26–37 in) at the shoulder, and the head-and-body length is between 1.1 and 1.5 m (3 ft 7 in and 4 ft 11 in). Adults weigh between 21 and 72 kg (46 and 159 lb). Its head is small and rounded, with a short snout and black tear-like facial streaks. The coat is typically tawny to creamy white or pale buff and is mostly covered with evenly spaced, solid black spots. Four subspecies are recognised.[3]
The cheetah lives in three main social groups: females and their cubs, male "coalitions", and solitary males. While females lead a nomadic life searching for prey in large home ranges, males are more sedentary and instead establish much smaller territories in areas with plentiful prey and access to females. The cheetah is active during the day, with peaks during dawn and dusk. It feeds on small- to medium-sized prey, mostly weighing under 40 kg (88 lb), and prefers medium-sized ungulates such as impala, springbok and Thomson's gazelles. The cheetah typically stalks its prey to within 60–70 m (200–230 ft), charges towards it, trips it during the chase and bites its throat to suffocate it to death. It breeds throughout the year. After a gestation of nearly three months, a litter of typically three or four cubs is born. Cheetah cubs are highly vulnerable to predation by other large carnivores such as hyenas and lions. They are weaned at around four months and are independent by around 20 months of age.
The cheetah occurs in a variety of habitats such as savannahs in the Serengeti, arid mountain ranges in the Sahara and hilly desert terrain in Iran. The cheetah is threatened by several factors such as habitat loss, conflict with humans, poaching and high susceptibility to diseases. Historically ranging throughout most of Sub-Saharan Africa and extending eastward into the Middle East and to central India, the cheetah is now distributed mainly in small, fragmented populations in central Iran and southern, eastern and northwestern Africa. In 2016, the global cheetah population was estimated at 7,100 individuals in the wild; it is listed as Vulnerable on the IUCN Red List. In the past, cheetahs were tamed and trained for hunting ungulates. They have been widely depicted in art, literature, advertising, and animation.
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The tiger cub is cuddling with his master's daughter
The tiger cub is cuddling with his master's daughter
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The final reslin match between the expert cat and dog
The final reslin match between the expert cat and dog,who will win
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My friend gives mangoes to a wild elephant with a broken leg
My friend gives mangoes to a wild elephant with a broken leg,We often meet this animal,We always feed this animal,his leg is damaged.
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When a male ruby humming bird turns to the sun, its dark plumage flashes a bright color.
In pursuit of the world’s smallest bird, we’ve come to the backyard of a flamingo pink house in Palpite, Cuba. Ornithologist Christopher Clark has a car full of gear to unload: cameras, sound equipment, a sheer cube-shaped cage. Within minutes of arriving this May morning, Clark is spinning around in circles. He’s trying to follow the path of a bullet with wings as it whizzes from one clump of orange fire bush blossoms to the next. When the hummingbird pauses to draw sugary fuel from the flowers, his wings continue to beat a grayish blur too fast for the human eye to resolve.
Even by the Lilliputian standards of hummingbirds, Cuba’s bee hummingbird (Mellisuga helenae) is a midget—literally the smallest bird in the world. Its iridescent green body weighs a bit more than the average almond. Locally it’s known as zunzuncito—the little buzz-buzz, after the sound it makes—and is even smaller than its cousin the zunzun, or emerald hummingbird.
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November 5, 2022
What is the koala?
The koala is an iconic Australian animal. Often called the koala “bear,” this tree-climbing animal is a marsupial—a mammal with a pouch for the development of offspring.
Though koalas look fuzzy, their hair is more like the coarse wool of a sheep. They have two opposing thumbs on their hands, and both their feet and hands have rough pads and claws to grab onto branches. They have two toes, fused together, on their feet, which they use to comb their fur.Habitat, behavior, and diet
Koalas live in the eucalyptus forests of southeastern and eastern Australia. When not sleeping, they’re usually eating. They rely on the eucalyptus tree for both habitat and food. Koalas can eat more than a pound of eucalyptus leaves a day. Eucalyptus is toxic, so the koala’s digestive system has to work hard to digest it, breaking down the toxins and extracting limited nutrients.
That’s why koalas sleep so much—they get very little energy from their diet. Tucked into forks or nooks in the trees, koalas may sleep for 18 to 22 hours.
Koalas usually don’t drink much water as they get most of their moisture from these leaves. Koalas can even store leaves in their cheek pouches for later. They eat so much eucalyptus that they often take on its smell.Threats to survival
Koala numbers plummeted in the late 19th and early 20th century from hunting for their fur. Now they face serious threats from habitat loss. Land clearing, logging, and bushfires—especially the devastating 2019-2020 season—have destroyed much of the forest they live in. Koalas need a lot of space—about a hundred trees per animal—a pressing problem as Australia's woodlands continue to shrink.
Koalas are listed as vulnerable by the International Union for the Conservation of Nature, which has named the species one of 10 animals most vulnerable to climate change. Increasing carbon dioxide in the atmosphere is decreasing the nutritional quality of eucalyptus leaves (which is already quite low) and causing longer, more intense droughts and wildfires. In response to drought, koalas are forced to stop napping and come down from the trees to find water, spending precious energy and putting them at a higher risk of predation.
Predators include dingoes and large owls. They’re also at risk of getting hit by cars and attacked by dogs. Chlamydia is widespread in some koala populations and can cause blindness, infertility, and sometimes death.
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comment about this bird
The speed at which the beak of a woodpecker hits the trunk of a tree is 7 m/s. And at the moment when the beak meets the tree, the bird's head experiences a blow, the force of which is 1000 times greater than the force of gravity.
However, in these birds, the space between the layers of dense bone matter is filled with peculiar plates running parallel to the outer dense layers. Due to this, shock vibrations dissipate and weaken.
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My friend gives mangoes to a wild elephant with a broken leg
My friend gives mangoes to a wild elephant with a broken leg,We often meet this animal,We always feed this animal,his leg is damaged.
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dog drinking water slow motion video,,beautyful slow motion
dog drinking water slow motion video,beautyful slow motion
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the lion cubs are watching as the lion dances madly in the mud
the lion cubs are watching as the lion dances madly in the mud.i think this lion is sick
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wahat do you think, will the deer be able to outrun the python?comment before watching the video
wahat do you think, will the deer be able to outrun the python?comment before watching the video
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dogs mom angry with her baby dogs cute sceen,i like this sceen
dogs mom angry with her baby dogs cute sceen,i like this sceen
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incredibal number of crocodiles visit waterhole together
incredibal number of crocodiles visit waterhole together
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