Close-up of a Sulcata African Spurred Tortoise's face and head as it sits on a green screen

green screen chroma key green profile centrochelys sahara third largest species mainland grooved spur ancient prehistoric dinosaur camouflage hook beak tortoise reptile turtle animal shell african brown slow spurred background isolated sulcata protection exotic endangered herbivorous studio nobody pet large big carapace reptilian yellow vegetarian gentle giant closeup close head face