
Possums are nocturnal Australian marsupials with fluffy tails, sharp claws perfect for climbing, and large, luminous eyes well-suited for life after dark. Their fur is soft and sleek, with colours ranging from silvery grey to deep chocolate brown or black, depending on the species.
Possums vary greatly in size—from the tiny pygmy possum, which is barely larger than a thumb (just 70mm or 2.8 inches long and weighing only 10g or 0.35oz), to the much larger brushtail possum, which can stretch over a meter (3.3ft) and weigh up to 10kg (22lbs).
Possums are shy, solitary, and territorial animals. They are generally not aggressive, preferring to silently stare down their opponent rather than get involved in serious altercations. However, if provoked, they will fight back aggressively with claws and bites.
As marsupials, possums give birth to tiny, underdeveloped young that continue to grow inside the mother’s pouch—similar to kangaroos and koalas. They live for about 5-8 years. Although they share a name, Australian possums are only distantly related to the opossums found in the Americas.
Australia is home to over 20 species of possums, each with its own unique traits and behaviours. Listed below are some of the most well-known Australian possum species.
The Ringtail possum is about the size of a cat. It has a prehensile tail with which it grabs onto branches. This possum holds it in a tight coil when not using its tail to grasp onto things. This is why it’s called a "Ringtail" possum. It feeds on a wide variety of eucalypts, flowers, fruits, and nectar.
Read More About Ringtail Possums
The sugar glider is a small gliding marsupial with large eyes and excellent night vision. It makes a sound similar to a squeaking toy. The sugar glider has a thin membrane of skin that stretches between its limbs, allowing it to glide from tree to tree. It feeds mainly on nectar, insects, and sap.
Read More About Sugar Gilders
The Leadbeater's possum is about 300mm long and weighs about 140g. It is a quiet, shy, fast-moving marsupial that runs along branches in the forest canopy. It eats insects, manna, honeydew, and tree sap. They build out of shredded bark in the hollows of trees.
Read More Leadbeater Possums
The brushtail possum is a semi-arboreal, nocturnal marsupial. Its fur is thick and woolly and varies from silver-grey, brown, black to cream. It has a bushy prehensile tail, which it uses to grasp onto branches. It eats leaves, flowers, fruits, and insects.
Read More About Brushtail Possums
The feathertail glider is the smallest gliding possum. It is called the Feathertail because its tail looks like a feather. It uses its tail to balance and steer while gliding. It has very thin skin attached from each elbow to the knee. It spreads this membrane out to glide. It lives mainly on the tops of eucalyptus forests and eats nectar, manna, and small insects.
The pygmy possum feeds mainly on nectar and pollen, which it gathers with a brush-tipped tongue and fruit and insects. It is not very fast, but it is an excellent climber, using its prehensile tail to grip a branch while climbing or feeding. It nests in small tree holes, which it lines with shredded bark. It also nests in old birds' nests.
Photo: Possum sheltering in tree hollow
Being arboreal (tree-dwelling) creatures, possums are commonly found in forests, woodlands, and even suburban neighbourhoods, throughout the eastern and south-eastern parts of Australia, ranging from the rainforests of Queensland to the eucalyptus forests of Victoria. Possums also live in Papua New Guinea and Sulawesi. In recent times, they have also been introduced to New Zealand and China by humans.
Photo: Eucalyptus forest
Possums prefer the dense foliage of trees and rarely come down to the ground. They build their nests high above ground. These nests are built in tree hollows and dense foliage and lined with shredded bark, twigs, and leaves. Some of the smaller species of possums, such as the sugar glider, may share a nest with up to eight others.
Photo: Possums in ceiling
With urban sprawl and the destruction of the possums' natural habitat, many possums have been making themselves at home in suburban areas. Urban possums are especially fond of the warm cosy buildings humans construct. Some are known to pull off roof tiles and squeeze through openings in roofs and build themselves nests in ceilings of houses, garages, sheds, and even chimneys. These urban possums can be a huge nuisance to homeowners. Brush tail and ringtail possums, in particular, have come to like the comforts of urban living.
Urban possums can be an absolute nuisance. They can be noisy by clambering over roofs at night, destructive by urinating and defecating in ceilings and other areas around buildings giving the whole area a terrible stench, tearing up heating ducts and insulation, raiding chick copes and garbage bins and creeping through people's gardens.
Photo: Possum eating
Possums are omnivores. They eat almost anything edible—dead or alive.
In their natural environments, possums eat leaves, flowers, fruits, grass and fungi. They also eat lizards, insects, bird eggs and baby birds.
Unfortunately, these crafty possums are greatly attracted to suburban garbage bins and gardens. In domestic gardens, they will eat almost anything from flowers such as roses, camellias, magnolias; to fruits and vegetables such as mangoes, apples, pears, grapes, melons, lettuce, tomatoes, carrots and shrubs and small trees such as wisteria and wattle.
There is a story of two cunning possums who hatched an ingenious scheme to get their little paws on some delicious vegetables in a protected urban vegetable patch. One possum hung on to an overhanging branch with its back legs, grabbed onto its accomplice's rear legs with its front paws and lowered its partner down to snatch the vegetables.
Both possums and opossums are marsupials and share a common ancient ancestor, but they are significantly different from each other. Possums are primarily found in Australia while opossums are found in the Americas.
So in proper usage, the Australian animal is a possum, and the American animal is an opossum.
A male possum is called a jack
A female possum is called a jill
A baby possum is called a joey
While in Jamestown Virginia in North America in early 1608, Captain John Smith (who Pocahontas saved from death - remember the Disney movie) described an unusual animal that carried its young in a pouch in its abdomen.
He called the strange animal "Opassom". He
derived this name from the Algonquian American Indian language which called this animal "apasum" meaning white animal. By 1613 the name appeared in print with the "o" dropped off, becoming
simply "possum". It has been used as a colloquial term in North American ever since.
Joseph Bank, a naturalist, who accompanied Captain James Cook on the sailing ship the Endeavour arrived in Australia in 1770. When Banks observed a tree-climbing marsupial he noted it as "an animal of the Opossum tribe" because of its similarity to the opossum of North America. Again, soon, the 'o' disappeared and the Australian animal was referred to as a possum too.
In time, it was determined that while both animals were marsupials, they were very different indeed. As a consequence, the American opossum was classified under the scientific name Didelphimorphia and the Australian possum under the scientific name Phalangeridae.