public async Task<IActionResult> Edit(Species species)
 {
     if (ModelState.IsValid)
     {
         context.Update(species);
         await context.SaveChangesAsync();
         return RedirectToAction("Index");
     }
     return View(species);
 }
 public async Task<IActionResult> Create(Species species)
 {
     if (ModelState.IsValid)
     {
         species.Id = Guid.NewGuid();
         context.Species.Add(species);
         await context.SaveChangesAsync();
         return RedirectToAction("Index");
     }
     return View(species);
 }