Look at it this way, it depends on their features and requirements.
Say a pigeon, they can live in many places because they can live on many foods.
Yes, that is the environment they are best adapted to.
Birds can adapt to live in all environments.
They are flightless birds who have adapted their bodies/feathers/wings/feet/eyes for life in a marine environment. They are birds that "fly" through the water.
Monarch butterflies have adapted to be poisonous to their most serious predators. This makes them taste bad to birds, which are a problem for other types of butterflies.
Their blue color stands out from other birds.
How is a dog adapted to its environment
cacti are adapted to their environment
yes a flower is adapted to their environment
how has the wolverine adapted to its enviorment
swimming
Every single organism on this earth has adapted to its environment... that is the beauty of adaptation.
the environment had forced them it adapted