Mammals:
* Tigers: Though they might share territories with family members, tigers are generally solitary hunters.
* Leopards: Similar to tigers, leopards are generally solitary, except for mothers with cubs.
* Bears: Most bear species are solitary, except during mating season or when mothers raise cubs.
* Badgers: While they live in burrows, badgers typically only share these with their mates.
* Raccoons: Generally solitary, raccoons may form loose associations for food sources.
* Mountain lions: These apex predators are solitary hunters and rarely interact with other individuals.
Birds:
* Ospreys: These fish-eating birds are known for being solitary, except during breeding season.
* Barn owls: They often nest in solitude, though they might share roosts.
* Woodpeckers: These birds are typically solitary and often claim territories.
* Eagles: While they might share territories with mates, they are largely solitary.
* Hawks: Many hawk species are solitary hunters, though they might associate with mates or siblings.
Reptiles:
* Snakes: Most snake species are solitary, though some species may congregate for mating or hibernation.
* Lizards: Many lizards are solitary, though some species, like geckos, may form small social groups.
* Turtles: Many turtles are solitary, particularly during nesting season.
Amphibians:
* Frogs: While many frogs breed in large groups, they are generally solitary outside of breeding season.
* Salamanders: Many salamander species are solitary, though some may form small social groups.
Insects:
* Praying mantises: These insects are known for their cannibalistic nature and are generally solitary.
* Moths: While they may congregate for mating, moths are mostly solitary.
* Some types of butterflies: While butterflies are known for their social interactions, some species are more solitary.
Fish:
* Some species of sharks: While many shark species are social, some, like the great white shark, are typically solitary hunters.
* Some species of eels: While some eels live in groups, many are solitary.
It's important to note:
* This is not an exhaustive list, and there are many other solitary animals.
* The social behavior of animals can vary depending on factors such as geographic location, season, and availability of resources.
* Even solitary animals might interact with others for specific reasons, such as breeding or defending territory.