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.
A) The lizardâs released tail stump observed from the side. This image shows the wedge-shaped structures. B) Zoom on one of these structures. C) The part of the tail stump that remains on the animal. When a lizard feels threatened by a predator, it can shed its tail at will. Because the tail maintains the ability to move up to half an hour after separation, the lizard hopes that the predator will attack the wriggling tail, enabling it to make a getaway in the meantime.