A scientist who studies falcons is called an ornithologist, specifically focusing on the study of Birds of Prey.
A scientist who studies mollusks is called a malacologist.
a marine biologist
An Ecologist. Hope I helped :)
A scientist that studies bats is called a chiropterologist.
An entomologist is a scientist who studies bugs.
A biotechnology scientist.
An Oceanographer. Marine Biologist, that sort of thing.
A scientist that studies viruses is called a virologist.
A scientist who studies mollusks is called a malacologist.
A scientist that studies bears would be called an ursinologist.
An aviologist.
biologist
virologist
A meteorologist.
astronomer
Mineralogists
A vulcanologist