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.
The frilled lizard grows to around 45-90cm in length, about two-thirds of which is tail. It has a vivid yellow mouth and a large extendible frill gathered about the neck and under throat. The combination of the gaping mouth and the wide, brightly coloured frill provide an intimidating sight to any potential predator.