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.
Besides defense, this lizard's colorful frill may be used to help regulate body temperature. Size relative to a 6-ft (2-m) man: Undoubtedly, one of the quirkiest sights in nature is the gangly retreat of an Australian frilled lizard.When this unique creature feels threatened, it rises on its hind legs, opens its yellow-colored mouth, unfurls the colorful, pleated skin flap that encircles its head, and hisses.If an attacker is unintimidated by these antics, the lizard simply turns tail, mouth and frill open, and bolts, legs splaying left and right.hen this unique creature feels threatened, it rises on its hind legs, opens its yellow-colored mouth, unfurls the colorful, pleated skin flap that encircles its head, and hisses. If an attacker is unintimidated by these antics, the lizard simply turns tail, mouth and frill open, and bolts, legs splaying left and right.