Wildlives are the diverse array of living organisms that inhabit our planet's vast wildernesses. Synonyms for wildlives include wildlife, fauna, beasts, animals, creatures, and critters. These terms are often used interchangeably to describe the various species of birds, mammals, reptiles, amphibians, and insects that coexist with humans in their natural habitats. Wildlife is the most commonly used word to describe these creatures, while fauna is a more scientific term often used by biologists. Beasts evoke a sense of wild power and strength, while animals and creatures have a broader sense of denoting all living organisms. Critters is a more informal and endearing way to refer to the small wild animals.