While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to finger, handle, or feel objects, tools, or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; taste or smell. An employee must also have the ability to travel by car, boat and air as needed, physically use SCUBA equipment, conduct field work in the collection and research of animals, and maintain daily contact with a living collection of plants and animals.