Some birds appear to have sunglasses
Although I myself did not have to wear glasses (except perhaps sunglasses) until I turned 55, millions of people on Earth may view this simple ‘tool’ to improve the resolving power of their eyes as one of the greatest inventions ever made. Photographers, microscopists, and opticians can tell you that the aperture of an optical system not only controls the amount of light admitted (and thus the brightness of the image you see) but also the resolving power of the system. —>—>
Penguins Scratch, Bite, and —- Shoot!
I’ve been on 6 expeditions to Antarctica as a researcher and on one of them I was the leader of the first (and only) Jamaican Antarctic Expedition. We received wonderful support from the Chilean Antarctic Program, but had not much sophisticated equipment. However, apart from preparing samples of Antarctic marine worms and tiny terrestrial insects known as springtails for a study with the electron microscope, we took lots of photographs of penguins. —>—>
And especially not for a bird
As a teenager, I kept pigeons on the balcony for a while and actually breeding and ringing them, became quite knowledgeable in matters pigeons. My pigeon coop was right above the entrance of our house and for that reason, none of the residents appreciated my pets very much (there was always the risk that something unpleasant might drop on someone entering or leaving the house). —>—>