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1. a person who is expert or interested in botany or zoology, esp in the field
2. a person who advocates or practises naturalism, esp in art or literature



one who studies natural history. The Young Naturalists (iunnaty) are schoolchildren who study nature and are concerned with the conservation of useful plants and animals.

References in classic literature ?
I much regret that want of space prevents my having the satisfaction of acknowledging the generous assistance which I have received from very many naturalists, some of them personally unknown to me.
I may venture to express my conviction of the high value of such studies, although they have been very commonly neglected by naturalists.
Although much remains obscure, and will long remain obscure, I can entertain no doubt, after the most deliberate study and dispassionate judgment of which I am capable, that the view which most naturalists entertain, and which I formerly entertained--namely, that each species has been independently created--is erroneous.
You may well call it prowling," returned the naturalist, nestling still closer to her side, and dropping his voice to such low and undignified tones of confidence, as conveyed a meaning still more pointed than he had intended.
In the mean time the naturalist stood like a statue of amazement, permitting a well-grown ass, against whose approach he no longer offered his boasted shield of light, to smell about his person, without comment or hinderance.
The naturalist listened in silent wonder, neither interrupting her narrative nor suffering a single exclamation of surprise to escape him.
The naturalists and their followers, thinking they can solve this question, are like plasterers set to plaster one side of the walls of a church who, availing themselves of the absence of the chief superintendent of the work, should in an access of zeal plaster over the windows, icons, woodwork, and still unbuttressed walls, and should be delighted that from their point of view as plasterers, everything is now so smooth and regular.
I shall have the pleasure of acknowledging the great assistance which I have received from several other naturalists, in the course of this and my other works; but I must be here allowed to return my most sincere thanks to the Reverend Professor Henslow, who, when I was an undergraduate at Cambridge, was one chief means of giving me a taste for Natural History, -- who, during my absence, took charge of the collections I sent home, and by his correspondence directed my endeavours, -- and who, since my return, has constantly rendered me every assistance which the kindest friend could offer.
Naturalist Ed Ricketts, rendered immortal as the character "Doc" in Steinbeck's novel Cannery Row, traveled the Pacific coast collecting samples and studying tide pools.
A lively travelogue and natural history adventure results for readers in grades 5-7 and beyond, backed by Montgomery's prior background as a reporter and naturalist for kids and adults alike.
Near Asheville: "Rowdy with Reptiles" Workshop: Chimney Rock Park's Naturalist talks about reptiles in the Park and why they are important.
OVERSHADOWED by Charles Darwin and overlooked by scholars, the importance of naturalist Alfred Russel Wallace is now being measured as the co-discoverer of the Theory of Evolution.