Jon. There is no single early man, men did not figure out ‘sex’, there cannot be any early ‘men’ (or women) if their parents did not discover ‘sex’ themselves. 2018-03-20 14:40:17 2018-03-20 14:40:17. Dogs have been domesticated by humans. 1 decade ago . Answer Save. Sheep reproduce sexually and, without human intervention, these animals only breed during certain times of the year. Relevance. They have been with people for thousands of years. example. Wiki User Answered . Finding a mate is a big deal in the animal world, and it accounts for a lot of animal behavior. the foetus develops within the stomach of the mother (as with people) and others for which egg development is external. For instance, the mating season for bighorn sheep usually starts from November and ends in December, with gestation periods lasting between 5 and 6 months. I do believe that we have sexual animal instinct but it has been dulled out over the years as we progressed and evolved from the search for knowledge, which resulted in us becoming social creatures that depend on each other for certain tasks. How do animals know how to mate? 9 Answers. How Do Sheep Mate and Reproduce? By Laura Geggel 14 February 2015. Shares. I mean humans get told how to have sex from their parents or whoever else. Animals who practice sexual reproduction can be differentiated according to whether they are viviparous animals or oviparous animals; this depends on the way they carry the embryo.There are some who do this internally, i.e. like for humans I guess we learn through social interactions and visual influences as we get older but how do animals in the wild know that they have to mate to keep their species alive especially solitary animals who usually dont live long enough or have a short life span where they only spend little time with thier new borns. Dogs will mate with other breeds but for example cheetahs dont mate with tigers etc. Answer. Now in regards to your last question, it depends on how far humans have evolved. Since other animals haven’t discovered the internet yet, they can’t rely on dating sites or Facebook for social interactions so they have to meet in real life (gasp). 27 28 29. I heard its instinct and that if a human was never told how to reproduce they would still have an "urge" to mate. They really are all the same species. There are hundreds of breeds. How do animals know when to mate? Photo: Glen Bowman / Flickr. They mate by instinct. Apes → men branching took millions of years. They are totally … Asked by Wiki User. Favourite answer. Sex in the Wild: 6 Ways Animals Do It. How do animals know which animal to mate with? Top Answer.