lockdown – n. restrictions ordered as part of security measures

outbreak – n. a sudden start or increase of fighting or disease

breed – v. to keep and take care of animals or plants in order to produce more animals or plants

domestic – adj. existing inside a country; relating to a home or family members

conservation – n. prevention of wasteful use; protection of wildlife or the natural environment

mammal – n. a warm-blooded animal that drinks milk produced by its mother

nest – n. a place chosen by an animal for sheltering its young

boar – n. a kind of wild pig (also a kind of male pig)

messy – adj. not clean; very unpleasant and complex