Changes

Breeders refer to male dogs as a ''dog'', while a female is called a ''bitch''.

Breeders refer to male dogs as a ''dog'', while a female is called a ''bitch''.

Research has shown that it is probable that the first settlers respectively of the [[America]]s and [[Australia]] brought dogs of some sort with them.  

Research has shown that the first settlers of the [[America]]s and [[Australia]] likely brought dogs with them.  

== Scientific details ==

== Scientific details ==