1 Program Levels: Bachelor's, master's and doctorate. 2  Program Specializations: Options include ecology and wildlife sciences. 3  Program Length: A bachelor's normally takes 4 years.  Other Requirements: At the graduate level, practicums and thesis projects must be completed for graduation.
BananaStock/BananaStock/Getty Images. Lizards puff their necks for a number of reasons. Whether they're trying to get attention from you or a or to intimidate another lizard, it's a normal part of lizard behavior. Learning why lizards puff their necks can help you better care for your pet.
Various lizards also scream when alarmed. Some geckos add to the fright effect by hollering with a gaping mouth and then biting. For owners of the nocturnal leopard gecko (Eublepharis macularius), a species popular with reptile enthusiasts, it can seem like their pet