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We are all used to spotting the odd British grey squirrel scurrying up trees in our gardens; seldom do we expect to see animals from the rainforests of Brazil.
Believing it to be one of her pets who had somehow got stuck, she moved in for a closer look only to realise that the creature was a lot more exotic.
Capturing the small mammal on video, Shearer contacted the RSPCA for advice.
Initially, the RSPCA believed the animal was a pet bear that had escaped an enclosure nearby.
However, on closer inspection of the footage, it was revealed that the animal was in fact a “South American coati”.
Attempts by the RSPCA to capture the coati have so far been unsuccessful, and experts are warning Buckinghamshire residents not to approach the animal as it may bite.
The rarest animals in the worldShow all 23 1 /23The rarest animals in the world The rarest animals in the world Goblin shark Dubbed the "alien of the deep", the goblin shark was caught by a commercial fisherman off the coast of Eden, New South Wales. The carcass of the terrifying looking creature was then donated to the Australian Museum in Sydney so that it could be dissected
YouTube/Australian Museum
The rarest animals in the world Glass frog Scientists in South America have discovered a brand new species of frog – and he’s a dead ringer for Kermit the frog. Hyalinobatrachium dianae is an inch-long glass frog with identical bright green skin, a translucent belly, and bulging white eyes with black pupils. The new species found by Costa Rican Amphibian Research Center on the Talamanca hills of the country, was named after the senior researcher’s mother Diane and brought the total known species of glass frogs on the island to 14
BBC via YouTube
The rarest animals in the world Walking fish (climbing perch) A bizarre and seemingly super-powered fish which can walk out of water and breathe on land for up to six days could spell a 'major disaster' for wildlife, scientists have warned. The aggressive climbing perch, which has lungs as well as gills, has been discovered in northern Australia
YouTube
The rarest animals in the world Frilled shark A rare and terrifying frilled shark has been pulled from the water by fishermen near Lakes Entrance in Victoria, Australia. Also known as the "living fossil", the frilled shark is named for its six pairs of frill-like gills. The shark’s origin dates back 80 million years, and is one of two species that is still alive from this period
SETFA
The rarest animals in the world Black Sea Devil anglerfish Researchers in the US have released what they believe to be the first video footage showing a bizarre-looking Black Sea Devil anglerfish in the wild. As anglerfish live in the deep sea, they are very rarely seen in their natural habitat, and fewer than half a dozen have ever been captured on film or video in the wild, according to experts at the Monterrey Bay Acquarium Research Institute (MBARI)
Monterey Bay Aquarium Research Institute
The rarest animals in the world Blue lobster A rare blue lobster was caught off Pine Point in Scarborough, Maine. The crustacean is being donated to the Maine State Aquarium
AP Photo/Meghan LaPlante
The rarest animals in the world Two-headed dolphin A con-joined dolphin found on the beach of the Aegean Sea coastal town of Dikili, Izmir province of Turkey
AP
The rarest animals in the world Conjoined whales A pair of conjoined gray whale calves have been found off the coast of Mexico, in what scientists believe could be the first discovery of its kind
CONANPHO/AFP/Getty Images
The rarest animals in the world Fish-eating spider (Dolomedes facetus) Dolomedes facetus captured pond fish (genus Xiphophorus) in a garden pond near Brisbane, Queensland, Australia. The number of spiders who catch and eat fish is on the rise across the world, scientists believe
Peter Liley, Moffat Beach, Queensland
The rarest animals in the world Dancing frogs A frog couple from one of the 14 new species of so-called dancing frogs
AP/Satyabhama Das Biju
The rarest animals in the world Kakapo Conservationists in New Zealand are celebrating after an extremely rare kakapo chick hatched from a cracked egg held together by nothing more than tape and glue. The bird joins a global kakapo population of just 125 birds
Creative Commons. Photo: jidanchaomian, via Flickr.
The rarest animals in the world Migaloo the white whale Migaloo the white whale, sighted at the Bernard Islands
Twitter/Migaloo the Whale
The rarest animals in the world Domed land snail Living in complete darkness more than 900 metres below the surface has left this tiny snail with no pigmentation in its shell. Discovered in the caves of western Croatia the Zospeum tholussum is also a slow mover, creeping just a few centimeters each week.
The rarest animals in the world Leaf-tailed gecko The mottled colouring on this gecko helps it blend in with the rain forests and rocky habitats of eastern Australia. It also has an extremely wide tail (from which it gets its name) to further confuse predators
Conrad Hoskin
The rarest animals in the world Flying frog A Giant green flying frog which is among the new species found by scientists in the Greater Mekong region
PA
The rarest animals in the world Megamouth shark An extremely rare female deep-water megamouth shark has been caught off the coast of Shizuoka, Japan, and is believed to be only the 58 sighting of the animal on record
The rarest animals in the world A Maui's dolphin Fears grow for Maui's dolphins after New Zealand government opens west coast block for oil and gas drilling
youtube
The rarest animals in the world Geep A rare goat-sheep hybrid has been born on an Irish farm, much to the surprise of a farmer who said the ‘geep’ is thriving since its birth
Irish Farmers Journal
The rarest animals in the world Omani owl An Omani Owl, a species completely new to science
PA
The rarest animals in the world Albino dolphin A rare albino calf being herded into Japan's notorious Taiji 'killing' Cove, where hundreds of dolphins are slaughtered during its annual hunt
Sea Shepherd/EPA
The rarest animals in the world Stone curlew The stone curlew is one of the UK's most threatened birds and has recently returned from their wintering grounds in Africa and Spain
Getty Images
The rarest animals in the world Mascarene Petrel A unique photograph has been taken of a bird with a visible egg showing after experts sent to study a critically endangered Mascarene Petrel on a remote Indian Ocean tropical island encountered an undeniably pregnant member of the species
Hadoram Shirihai
The rarest animals in the world Albino cobra A "very dangerous and venomous" albino cobra has been found in a suburban Los Angeles neighbourhood after escaping from a home there
Dept. of Animal Care and Control, County of Los Angeles
Usually found in the rainforests of subtropical South America, the latest coati comes after only a handful of sightings in the past decade.
In 2004, a handful of coatis were spotted in the woodland areas around the Lake District in Cumbria.
In 2010, a study by the University of Hull, estimated that there were about 10 coatis living wild in the UK.
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