Binoculars aid in observations by magnifying distant images. While different models vary in price, magnification, and ergonomics, the follow model was highly rated in the Cornell Lab Review 2013. Cornell University. (2013). Best Binoculars: The Cornell Lab Review 2013. Retrieved March 6, 2017 from Cornell’s All About Birds website: https://www.allaboutbirds.org/best-binoculars-the-cornell-lab-review-2013/
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