Normally the bearded dragons will do this when they are basking under the heat lamp. Bearded dragons will also have their mouth open if they have a respiratory disease. However, since having an open mouth is common behavior for bearded dragons, it's normally just a sign that they are regulating their heat.
Landrace. A landrace is a local variety of a domesticated animal or plant species which has developed largely by natural processes, by adaptation to the natural and cultural environment in which it lives.hen an animal landrace is codified as a pedigree breed without significant selective breeding to alter it, though often to lock in its defining traits, it is often referred to as a natural breed or traditional breed by breeder and fancier organisations.
A land snail is any of the numerous species of snail that live on land, as opposed to sea snails and freshwater snails. Land snail is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as slugs).