 
 <prompt> Wetin dem dey call species wey you fit sabi difference between males and females based on how dem look and behave pass just their reproductive organs? Given the previous question, write a context wey contain the answer. E fit be 1 - 20 sentences. Context: <response>: "In species wey dey practice polygyny and get plenty difference between male and female, na di males dey return to di breeding sites earlier pass their females. Dem dey call am protandry." 