The sleepy lizard (tiliqua rugosa)

Description

• · They are common in Western and South Australia

• · They are brown, but recognisable by their blue

• · They are relatively large

• · Their diet consists mainly of 

• · Their main predators are large birds and 

Navigation study

• · One study found that lizards can use the   to help them navigate

Observations in the wild

• · Observations show that these lizards keep the same    for several years

What people want

• · Possible reasons:

        - to improve the survival of their young

      （but little   has been noted between parents and children)

        - to provide   for female lizards

Tracking study

        - A study was carried out using GPS systems attached to the   of the lizards

        - This provided information on the lizards' location and even the number of   taken

        - It appeared that the lizards were trying to avoid one another

        - This may be in order to reduce chances of