The Ganz company had this series of six different animals created in China in the 2000s.  Each set is stamped "Bella Casa Ganz".  The sets are about 4.5'' in height.

Ganz fat two piece animal stacker series of salt and pepper shakers - elephants

Elephant

Ganz fat two piece animal stacker series of salt and pepper shakers - cow

Cow

Ganz fat two piece animal stacker series of salt and pepper shakers - pig

Pig

Ganz fat two piece animal stacker series of salt and pepper shakers - frog

Frog

Ganz fat two piece animal stacker series of salt and pepper shakers - cat

Cat

Ganz fat two piece animal stacker series of salt and pepper shakers - chicken

Chicken