Related Clues:

• Naturalist on the California state quarter
• 'The Ghost and Mrs. ___'
• His work may involve low overhead
• 'Our National Parks' author John
• "The Birds of America" author
• One working with a rock group
• Society for birders
• ABC news anchor David
• News anchor David
• Rips up nearly all the denim trouser from the bottom for one of those working in The Underground
• Worker who gets the lead out?
• Boring insect of little significance, it's said
• Funny turns involving one comedy writer
• Scottish upland heath
• One who digs hard rock?