What is the prural for fly?

In a pet store there are five puppies four cats three birds and one fish if a pet is chosen at random then what is the probability that it will be a bird or a puppy? What type of food does a snake and owl eat the same? What are Murder Birds? How much do a barn owl cost? When a bird is sitting on its eggs it is? In what climate region do herons live? Is it safe to eat flies? What kind penguins does a skua eat? Does a parrot lay eggs? What do pecocks eat? Pictures of the continents? What do orioles like? What does a jenny wren eat? How do ospreys breathe? When does a build eagle start building its nest? What day do you candle a goose egg? Where do albino peacocks live? What are names of seagull characters from children's movies or books? The tinamou bird is the world's worst flier? What group of animals or birds is a clat?