My poor mum was toddling along one day and was killed by one of them. The poor lady never knew what hit her. They kill many of us as well. More than any other predator. His antenna quivered with frustration.
Some people work making cars for example.
They work to make money. They use money to get the car. How terribly confusing. Work is mostly the same thing day after day. Much like flying around avoiding birds is to you.