They use their right and left eyes differently. Some may sleep on the wing. They may even be able to see the earth's magnetic field. Welcome to the amazing world of bird vision.
Can Birds See Color?
Bird Vision
How does an owl's vision compare to a human's vision? Why is this important for hunting at night? - Quora
History, Travel, Arts, Science, People, Places, Smithsonian
How Do Birds See? Human And Bird Vision Comparison
Birds' Eyes A Magpie Collection
How is it that raptor birds with smaller eyes have more acute vision than we humans? A healthy human eye at the pupil size for typical daytime lighting resolves one minute of
Smithsonian Insider – Study shows turkey vulture is doubly blessed
Scienceex] นี่คือความน่าทึ่งในดวงตาของนกที่มองโลกเมื่อเทียบกับมนุษย์ ความพิเศษที่หลากหลายในอาณาจักรสัตว์ ทำให้มุมมองที่สัตว์แต่ละชนิดกับโลกนั้นให้ความตื่นตาตื่นใจแตกต่างกัน
Getting a bird's eye view - Curious
Bird vision - Wikipedia
Birds' Eyes A Magpie Collection
Birds' Eyes A Magpie Collection
Bird Vision: Just How Do Birds See The World?
Hummingbirds Live in a More Colorful World, Study Confirms - EcoWatch