Possible Clues:

• Renowned US naturalist
• Birders' society
• Society named for an ornithologist
• 'Birds of America' creator
• Birdman of Alcatraz, initially you say, bound to escape!
• Eponym of a naturalists' society
• Famous bird illustrator
• J. J. -; US bird artist
• John James -, US ornithologist
• Society for the birds