the animals of a particular geological period or region
(of animals and plants) found and developed only in a particular place and not been brought from elsewhere
any animal that does not possess or cannot develop a spinal column, such as an arthropod, mollusk, etc.
any cold-blooded animal with the ability to live both on land and in water, such as toads, frogs, etc.
the hard outer covering that supports the body of an animal, such as an arthropod
an invertebrate animal with a segmented body and a chitinous exoskeleton, such as a spider, crab, etc.
any cold-blooded animal of the class Reptilia that breathes air and is a vertebrate, such as snakes, frogs, etc.
any invertebrate that lives in aquatic or damp habitats and has a soft unsegmented body, often covered with a shell
small animals or insects that are believed to be destructive and are difficult to handle when they appear in a considerable number
an animal that feeds on the flesh of other animals
any animal that only feeds on plants
an animal or person that feeds on a wide range of both plants and meat
to control the population of a wild animal, particularly by killing weak or sick ones
(of animals) to have sex and produce young
to remove the sexual organs of a female animal, called ovaries
to make or become undetectable by making or taking the color or shape of the surroundings
a hole that an animal digs in the ground to use as a shelter
the hidden place where a wild predatory animal lives
to make low crying sounds out of fear, pain or sadness
to keep an egg in a favorable condition to help it develop until it hatches
(of some animals or plants) to spend the winter sleeping deeply
(of a bird) to move the beak in a sudden movement and bite something
to slide on a surface in a smooth way, such as a snake
to make a short high sound characteristic of a bird
(of horses) to move quite fast, but not yet as fast as possible
any of the long, stiff hairs that grow on the face of a cat, mouse, etc.
the projecting part of the face of some animals such as dogs and horses that includes their jaws and noses
a long sharp tooth, particularly a canine tooth of a dog, wolf, or snake
each of the curved pointy teeth of some animals such as elephants, boars, etc., especially one that stands out from the closed mouth
the feathers of a bird covering its body
a prominent feature exhibited by some birds on their heads, consisting of feathers, fur, or skin