Lesson 3. Vocabulary Review

The main reason why the red squirrel is less successful is that the grey squirrel is fatter / thinner so it is less affected by cold weather.

the protection of plants and animals, natural areas, and interesting and important structures and buildings, especially from the damaging effects of human activity

Why do you think grey squirrels are regarded as a pest?

(an) illness of people, animals, plants, etc., caused by infection or a failure of health rather than by an accident

to gradually become less, worse, or lower

The grey / red squirrel was introduced to Britain and has become very successful since then.

all the people living in a particular country, area, or place

Another reason is that grey squirrels are unable / able to live in cities.

an ability or willingness to change in order to suit different conditions

marking something as clearly different from others

How many red squirrels are left in the UK?