in today's lecture, we'll delve into the fascinating world of frogs, specifically focusing on the barred pattern found on some species. the barred pattern is not just pre-existing decoration but an essential survival feature, allowing these amphibians to blend seamlessly into their surroundings as predators pass by. it's a brilliant example of nature's design, showing us that sometimes, to truly appreciate the wonders of the natural world, we have to start over with our observations and learn to see the commonplace with fresh eyes.