Those involved in dog breeding refer to males as 'dogs', females as 'bitches', dogs younger than a year old as 'puppies' and a group of offspring as a 'litter'.

The song "Happy Birthday" brings in about $2 million in licensing revenue to Warner Communications who hold the copyright to the song.

In the world, the United States and France have the most pet dogs. Approximately one out of every three families has a pet dog. Switzerland and Germany are the lowest only having one dog per every ten families.

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