having firm, strong muscles or relating to muscles
muscular
having many different kinds of animals and plants, creating a balanced environment
biodiversity
a feeling of happiness and excitement that usually lasts a short time
euphoria
appearing suspicious or false
fishy
the animals that is hunted, killed, and eaten by another animal
prey
tentative
when you see something rare or unusual
sighting
to decide not to do something because of fear/nerves
to chicken out
very excited and pleased
a situation in which all movement has stopped
standstill
land that is not level or smooth and has rocks instead of plants and trees
rugged
a situation where competition is so fierce that people are willing to do anything to win/survive
dog-eat-dog
the amount of damage caused in a particular event, such as a war, disaster, etc.
toll
the side of something such as a building or mountain
flank
an event or experience that helps you make progress towards achieving something
stepping stone
when someone appears awkward, uncomfortable or unhappy doing something they are not familiar with
(like) a fish out of water
difficult to find, define or achieve
elusive
the act of spending or using a resource, like money or energy
expenditure
a problem or difficulty that cannot be solved or dealt with successfully
insurmountable
used to express that something is highly unlikely or impossible
when pigs fly/pigs might fly