Carpet method of installation. Carpet tiles are also available, typically square. These are usually only used in commercial settings and are affixed using a special pressure-sensitive glue, which holds them into place while allowing easy removal (in an office environment, for example) or to allow rearrangement in order to spread wear. "Carpet binding" is a term used for any material being applied to the edge of a carpet to make a rug. Carpet binding is usually cotton or nylon, but also comes in many other materials such as leather. Non-synthetic binding is frequently used with bamboo, grass and wool rugs, but
Geography of Bermuda also be found. Populations of feral guinea pigs have been established and then eradicated. Feral pigs were hunted to extinction centuries ago. Today, introduced feral species, particularly cats, are blamed for falling numbers of native birds, from bluebirds to "longtails", but the primary threats are loss of habitat, due now to overdevelopment, and climate change (rising sea levels, increased hurricane activity, and rising temperatures are all having an effect on cahow nests, particularly). According to the Köppen climate classification Bermuda lies in the transition zone between tropical climate or Aw and humid subtropical climate or Cfa. Although Bermuda meets the