Birds with cataracts will squint, tear, or rub the eye. Cataract formation is a possibility for any animal with a lens in their eye, Franzen-Klein said. Lifelong birder Jim Williams can be reached ...

A canary bird chorus of nearly 2,000 voices opened the third annual exhibition of the Greater New York Ornithological Society of canaries and cage ... was here blended in one cataract of song, ...