剑桥英语: FCE (B2 First) - Wildlife

to make animals produce offspring in a way that is suitable for human beings

all wild animals, considered as a whole, living in the natural environment

(of an animal, plant, etc.) being at risk of extinction

any of the light and soft parts covering the body of a bird

the thick, soft hair that grows on the body of some animals such as cats, dogs, etc.

a tropical bird with bright colors and a curved beak that can be trained to mimic human speech

an animal's foot that typically has a combination of nails, claws, fur, and pads

a large white bear which lives in the North Pole and is well-adapted to its icy environment

a group that animals, plants, etc. of the same type which are capable of producing healthy offspring with each other are divided into

the part of the body of an animal, a bird or a fish that sticks out at the back, which can move

the protection of the natural environment and resources from wasteful human activities

a dormant state in animals, characterized by lowered body temperature and metabolic activity, often during winter to conserve energy

to keep something from change or harm

a male bird with a large shiny colorful tail having eyelike patterns that can be raised for display