List getTyp - How to?

/// <summary>
        /// 
        /// </summary>
        /// <param name="text"></param>
        /// <param name="nickName"></param>
        /// <param name="housing"></param>
        public void AddNewAnimal(String text, String nickName, HousingType housing)
        {
            if (text == "Dog")
            {
                int dogCount = Search<Animal>(animalList) + 1;
                string id;
                if (dogCount < 10)
                    id = "ID:D00" + Convert.ToString(dogCount);
 
                else if (dogCount < 100)
                    id = "ID:D0" + Convert.ToString(dogCount);
 
                else
                    id = "ID:D00" + Convert.ToString(dogCount);
 
                Dog dog = new Dog(nickName, id, housing);
                animalList.Add(dog);
                Count++;
 
            }
 
            else if (text == "Giraffe")
            {
                int giraffeCount = Search<Animal>(animalList) + 1;
                string id;
                if (giraffeCount < 10)
                    id = "ID:G00" + Convert.ToString(giraffeCount);
 
                else if (giraffeCount < 100)
                    id = "ID:G0" + Convert.ToString(giraffeCount);
 
                else
                    id = "ID:G00" + Convert.ToString(giraffeCount);
 
                Giraffe giraffe = new Giraffe(nickName, id, housing);
                animalList.Add(giraffe);
                Count++;
            }
.......
 
 
----------------------------------------
 
       public int Search<T>(List<T> animal)
       where T : class
        {
            int count = 0;
 
            for (int i = 0; i < animal.Count; i++)
                if (animal[i] is Dog)
                    count++;
 
            return count;
        }
 
 
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// Call - use typeof to get a specific type 
//      - you don't need generics now but I've kept them in
int dogCount = Search<Animal>(animalList, typeof(Dog)) + 1;
 
// Method - note the new searchedType parameter
//        - you don't need generics if you don't want
public int Search<T>(List<T> animal, Type searchedType)
  where T : class
        {
            int count = 0;
 
            for (int i = 0; i < animal.Count; i++)
// isAssignableFrom does the same job as the keyword "is"
                if (searchedType.IsAssignableFrom(animal[i])
                    count++;
 
            return count;
        } 
                                              

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