Not usually. Koalas generally have a range of home trees extending up to 1 square kilometre, and these home ranges overlap with those of other koalas. Their only difficulty is when a road or development is built through the centre of their home range, blocking access to the other trees. When this happens, the koala may try to reach its usual trees, or it may find alternatives.
Animals will usually compete for food, land or a mate but sometimes fight for dominance as many animals have a ranking system
they compete for food and space.
food
Other wolves
The clouded leopard competes for food with other big animals like tigers believe it or not. And other leopards.
Canadas, like all other animals, compete for food, good living areas, and mates.
other animals on a food web get lower in population and since they compete they become extinct
Elk, deer, porcupines, beavers, and other herbivorous animals.
It eats other animals, therefore there must be something else which eats the same. So they probably will have to compete.
Penguins interact with other animals when hunting for food. They hunt for krill and compete with other animals such as whales, seals and squid for krill.
komodo dragon compete with other komodo dragon for food
Two animals that compete with squirrels are rats and mice. They often live in the same areas and compete for food.