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What the sources say

Snow LeopardPanthera uncia

Every figure, record and mechanism on the Snow Leopard profile was written from a source, and this is the working table behind it: 42 claims checked word for word against these sources. The left column is what the page says. The right column is the source's own words, copied, not paraphrased; a ... marks a cut and[brackets] an insertion. Open any source and check it yourself.

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Source
01

IUCN/SSC Cat Specialist Group

Snow Leopard (Panthera uncia). IUCN/SSC Cat Specialist Group.

The page saysa tail up to a metre long
The source saysThe bushy tail is exceptionally long-up to 1 m
The page saysAlpine and subalpine zones, favouring steep terrain broken by cliffs, ridges and gullies
The source saysSnow leopards primarily inhabit alpine and subalpine zones, favouring steep terrain broken by cliffs, ridges, gullies, and rocky outcrops.
The page saysBlue sheep (bharal), ibex, markhor, marmots, and pikas
The source saysKey species include blue sheep ( Pseudois nayaur ), Siberian ibex ( Capra sibirica ), markhor ( Capra falconeri ), argali ( Ovis ammon ), musk deer ( Moschus chrysogaster ), and Himalayan tahr ( Hemitragus jemlahicus ). They also take smaller mammals and birds, such as marmots, pikas, hares
The page saysan enlarged nasal cavity
The source saysthe snow leopard has an enlarged nasal cavity
The page saysA snow leopard's tail can grow up to a metre long, 75 to 90 percent of its total body length
The source saysThe bushy tail is exceptionally long-up to 1 m, or 75-90% of the total body length
The page saysIt does two jobs: it is thought to help the cat balance on steep slopes, and it wraps around the body like a scarf, trapping warmth while the cat rests in the cold
The source saysis thought to aid balance on steep slopes. The tail can also be wrapped around the body to provide warmth while resting.
The page saysvocal folds lack the fibro-elastic tissue other big cats have for a deep roar
The source saysTheir vocal folds lack the fibro-elastic tissue needed for deep roars, typical of other big cats
The page saysA snow leopard's body is adapted for life high in the mountains
The source saysAdapted for life at high elevations
The page saysIts nasal cavity is enlarged
The source saysthe snow leopard has an enlarged nasal cavity
The page saysAt up to a metre long, it can make up 75 to 90 percent of the snow leopard's total body length
The source saysThe bushy tail is exceptionally long-up to 1 m, or 75-90% of the total body length
The page saysIt is thought to help the cat balance on steep slopes
The source saysis thought to aid balance on steep slopes
The page saysit doubles as a scarf: wrapped around the body, it holds in warmth while the cat curls up to rest
The source saysThe tail can also be wrapped around the body to provide warmth while resting.
The page saysThe IUCN's cat specialists list three adaptations to life at high elevation: an enlarged nasal cavity, shortened forelimbs and well-developed chest muscles
The source saysAdapted for life at high elevations, the snow leopard has an enlarged nasal cavity, shortened forelimbs, and well-developed chest muscles.
The page saysSnow leopards are solitary and mainly active at dawn and dusk
The source saysSnow leopards are solitary predators, mainly active at dawn and dusk.
The page sayschasing it down steep slopes
The source saysThey stalk prey from above, chasing it down steep slopes.
The page saysThey primarily prey on wild sheep and goats, including blue sheep, ibex, markhor, argali and musk deer, and also take marmots, pikas and hares
The source saysSnow leopards primarily prey on wild sheep and goats ... Key species include blue sheep ( Pseudois nayaur ), Siberian ibex ( Capra sibirica ), markhor ( Capra falconeri ), argali ( Ovis ammon ), musk deer ( Moschus chrysogaster ) ... They also take smaller mammals and birds, such as marmots, pikas, hares
The page saysThey frequently take domestic livestock too
The source saysDomestic livestock is frequently taken
The page saysA snow leopard can kill an animal up to three times its own weight, and may stay with a kill for up to a week if undisturbed
The source saysCapable of killing animals up to three times their weight, they may stay with a kill for up to a week if undisturbed.
The page saysSnow leopards range across the high mountains of 12 Central Asian countries, from the Himalaya to the Altai
The source saysThe species' range spans 12 countries, restricted to the high mountains of Central Asia, including the Altai, Tian Shan, Kun Lun, Pamir, Hindu Kush, Karakoram, and Himalayan ranges.
The page saystypically between 3,000 and 5,000 metres and occasionally above 5,500 metres in the Himalaya
The source saysSnow leopards are typically found at elevations between 3,000 and 5,000 m, occasionally above 5,500 m in the Himalaya.
The page saysTheir grey, rosette-spotted fur gives them excellent camouflage in the mountains
The source saysIts fur is white-grey or grey-brown, patterned with dark grey or black spots and rosettes with pale centres, providing excellent camouflage in its mountainous habitat.
The page saysGPS collars fitted to snow leopards in Mongolia's South Gobi showed home ranges from 100 to over 1,000 square kilometres
The source saysIn Mongolia's South Gobi, GPS-collared snow leopards had home ranges from 100 to over 1,000 km²
The page saysThe IUCN lists the species as Vulnerable
The source saysThe snow leopard is listed as Vulnerable on the IUCN Red List .
The page saysThe most recent estimate puts the global population at 7,446 to 7,996 snow leopards, with 2,710 to 3,386 of those being mature adults
The source saysThe most recent estimate places the population at 7,446-7,996 individuals, with 2,710-3,386 mature individuals.
The page saysThreats generally include conflict with livestock herders, habitat degradation, prey declines, retaliatory killings, and poaching for hides, bones and other body parts
The source saysThreats vary by region but generally include conflict with livestock herders, habitat degradation, prey declines, retaliatory killings, and poaching for illegal trade in hides, bones, and other parts.

Source
02

Animal Diversity Web, University of Michigan

Uncia uncia (snow leopard). Animal Diversity Web, University of Michigan.

The page saysa friendly chuffing sound called a prusten
The source saysprusten (chuffing)Note: ADW names the chuff 'prusten'; San Diego Zoo gives 'friendly chuff'
The page saysThey hunt by stalking prey from above, using rocky terrain and vegetation to stay hidden, and then ambush it
The source saysThe preferred method of hunting is to stalk and then ambush their prey from above, using rocky terrain and shrubby vegetation to conceal themselves.

Source
03

Snow Leopard Trust

Physical Features. Snow Leopard Trust.

The page saysleaps of up to thirty feet
The source saysThey help launch the cat up to 30 feet (10 meters) in one leap!
The page sayswarms the air before it reaches the lungs
The source saysthe wide, short nasal cavity warms the air before it reaches the cat's lungs
The page saysStrong, short front legs paired with longer hind legs let a snow leopard launch itself up to 30 feet (10 metres) in one leap
The source saysThe cat has strong, short front limbs and longer hind limbs. They help launch the cat up to 30 feet (10 meters) in one leap!
The page saysIts oversized, furred paws work like snowshoes, keeping it from sinking into the snow
The source saysIts extra large paws keep the cat from sinking into the snow- like a pair of natural snow shoes .
The page saysshort, strong front legs and longer hind legs give it the spring to launch itself up to 30 feet (10 metres) in one leap
The source saysThe cat has strong, short front limbs and longer hind limbs. They help launch the cat up to 30 feet (10 meters) in one leap!
The page saysit warms the air on its way to the lungs
The source saysthe wide, short nasal cavity warms the air before it reaches the cat's lungs
The page saysshort, rounded ears cut down on heat loss
The source saysIts round, short ears reduce heat loss
The page sayslonger hind legs launch it up to 30 feet (10 metres) in one leap
The source saysThe cat has strong, short front limbs and longer hind limbs. They help launch the cat up to 30 feet (10 meters) in one leap!Note: vibe.reason (women artists)

Source
04

San Diego Zoo Wildlife Alliance

Snow Leopard. San Diego Zoo Wildlife Alliance.

The page saysThe "ghost cat of the Himalayas"
The source saysthis medium-sized cat has been called the ghost cat of the Himalayas
The page saysInstead it hisses, growls, moans and yowls, plus a friendly chuffing sound called a prusten, and can even purr
The source sayssnow leopards hiss, growl, moan, and yowl, but they do not roar, as their throat is similar to that of the smaller cats; instead, snow leopards make a friendly chuff and can purr, too
The page saysgiving it traction across it
The source saysThe wide, furry paws also give the cat great traction on snow.
The page saysIt does not roar
The source saysbut they do not roar
The page saysit hisses, growls, moans and yowls instead, along with a friendly chuffing sound called a prusten, and can even purr
The source sayssnow leopards hiss, growl, moan, and yowl, but they do not roar, as their throat is similar to that of the smaller cats; instead, snow leopards make a friendly chuff and can purr, too
The page saysthey blend in so well that they are almost impossible to locate and study in the wild
The source saysSnow leopards are almost impossible to locate and study in their native habitat, because they blend in with their surroundings so well.
The page saysa big cat that does not roar
The source saysbut they do not roarNote: vibe.reason (women artists)

How the table was made: a writer drafted the profile from these sources and logged each claim with its quote, a reviewer with nothing but this table checked every sentence said no more than its quote, and a script confirmed each quote appears word for word in the source. The method is in the site'sAbout page.