referenz:

http://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Cervus_elaphus_Luc_Viatour_6.jpg/1024px-Cervus_elaphus_Luc_Viatour_6.jpg

http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Range_Map_Cervus_elaphus.png/800px-Range_Map_Cervus_elaphus.png

http://upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Rothirsch_Kalb_070816_7.jpg/640px-Rothirsch_Kalb_070816_7.jpg

http://upload.wikimedia.org/wikipedia/commons/a/a1/Hirschkampf.jpg

http://upload.wikimedia.org/wikipedia/commons/thumb/4/47/Silz_cerf5.jpg/1024px-Silz_cerf5.jpg

http://upload.wikimedia.org/wikipedia/commons/thumb/8/82/Kronhjortshornets_utveckling%2C_Nordisk_familjebok.svg/1052px-Kronhjortshornets_utveckling%2C_Nordisk_familjebok.svg.png