inhabiting, living

cohabitation (esp. of an unmarried couple), living together

coexistence, living together, symbiosis...

habitat, home (e.g. of the tiger)

to live, to reside, to inhabit

to live (of animals), to inhabit, to nest

aquatic (life), living in the water

growing en masse in one location (of plants), living gregariously (of animals), living in flocks...

amphibia, amphibian

dwelling, house, home...

dwelling, house, home...

living in tranquility, retiring to the countryside, retirement house

dwelling, house, home...

dwelling, house, home...

amphibious, amphibian

secluded life

old home, former home, old nest

living a quiet life in seclusion away from the masses

terrestrial (life), land-dwelling

habitat isolation, compartmentalization, segregation...

almost living together, spending most nights with one's partner

to differentiate, to segregate

rookery, breeding grounds, nesting place

one's final abode

amphibious animal

aquatic animal, aquatic fauna

herpetology

a wise retainer chooses a great lord to serve, a wise bird chooses a good tree in which to roost

the morally upright have a hard time making friends, fish will not live in water that is (too) clean