This document discusses several animals that are helpful to humans. It covers birds such as chickens and quail that provide food eggs. Mammals like horses, dogs, cows and sheep have historically helped with transportation, protection, food like milk and wool. Fish and sea creatures like octopuses and squid are eaten by people. Insects including bees, spiders and ladybugs are beneficial as bees produce honey, spiders kill other bugs, and ladybugs eat aphids. Butterflies also help pollinate flowers.