A cat is lying on the porch, while a group of birds is walking nearby.  
A rabbit is lying in the meadow, while a group of squirrels is walking nearby.  
A horse is lying in the pasture, while a group of sheep is walking nearby.  
A pig is lying in the mud, while a group of chickens is walking nearby.  
A lion is lying in the savannah, while a group of antelopes is walking nearby.