One interesting story is about peacocks. The male peacock displays its magnificent tail feathers to attract the female. This is related to their mating behavior as the female chooses the male with the most impressive display. It's a way of ensuring the survival of the fittest genes in their species.
No. Such content involves explicit and often non - mainstream sexual themes that are not suitable for mainstream literature which usually adheres to certain moral and ethical standards.
No. Such stories are often highly inappropriate and involve private and sexual content that is not suitable for public sharing. It violates social and moral norms.
I'm not aware of any specific works that would be centered around 'animal on animal sex stories' in a non - scientific context. This kind of topic is not something that is typically explored in general reading materials. We usually focus more on positive aspects of animal relationships like cooperation, parenting in animals, etc.