An aviologist.
A scientist that studies bears would be called an ursinologist.
pomology
Gunsmith? look at the yahoo Canada answer for this.
A scientist that studies motion, forces and energy would be called a physicist.
A scientist is someone who studies science.
An ornithologist is a scientist that studies the branch of zoology that concerns birds. If he specialized in ducks he would be said to specialize in Anatidae (the family of birds which includes ducks)
A scientist that studies fungi is called a mycologist.
A biotechnology scientist.
An Oceanographer. Marine Biologist, that sort of thing.
A scientist that studies bears would be called an ursinologist.
a scientist who studys cells are called what
virologist
A meteorologist.
biologist
astronomer
Mineralogists
A vulcanologist