They are mainly found solitary, or alone.
Except for a female with cubs, bears are solitary animals.
Alligator gar are often solitary creatures, but they may come together in groups during breeding season or to feed on abundant prey. They are typically found in slow-moving rivers and lakes where they can be solitary hunters, using their stealth and ambush tactics to catch prey.
solitary
The echidna is a solitary animal and not usually found in groups.
They are solitary animals but they can sometimes be found in small groups.
Usually solitary. Rare to be found in groups.
The numbat is a solitary animal, and does not live in communities. However, research has found that, for part of the year, numbats do live in family groups, each with their own territory.
Pandas are solitary animals and not found in groups with the exception of a mother with a cub.
Platypuses are solitary animals, and do not live with any other species. They sometimes live in small family groups, but this tends to be only until the young are old enough to be independent. Males do not stay with the females.
some insects are solitary which means they like living in groups
If by solitary you mean living alone and not in groups, then yes.
Tasmanian devils tend to be solitary animals. They do not live in groups.