natural historian

The slower motions of the owl prove to the natural historian that it consumes less oxygen than the eagle.

No one was more attentive to me than Dr. Milne-Edwards, the celebrated natural historian.

I am not a natural historian, and had rather face a lion with the right rifle than a rat with a stick.

M. Buffon, the immortal and wonderful natural historian, tells us that the badger is a solitary animal.

Frederick Hasselquist, a Swedish botanist and natural historian, died at Smyrna.