The real conservationists is...

The real conservationists by John James Audubon.

John James Audubon was born in 1785, was an ornithologist, naturalist and painter French (although born in Haiti), a naturalized U.S. citizen in 1812, considered the first American ornithologist. In 1842 he published a popular version of Birds of America in the United States. His final work was on mammals, Viviparous Quadrupeds of North America.

The real conservationists