Question

after locating a bird by sound, you may want to take a closer look. a pair of binoculars is a great birding tool to help zoom in on a bird. another useful tool is a field guide that describes all the birds in your area. the pictures and information help you know what birds youre seeing. some bird - watchers also carry notebooks to record the different birds they find. they might even keep \life lists\ of all the birds theyve ever seen. there are about eighteen thousand kinds of birds in the world. that is certainly enough to keep any birder busy for a lifetime. based on the text, which two statements about bird - watching are true? bird - watching is also sometimes called birding. bird - watching often requires listening. bird - watching requires unusually good eyesight. bird - watching is only for people who have backyards.

Explanation:

The text mentions "After locating a bird by sound", indicating listening is involved in bird - watching. Also, "birding" is another term for bird - watching as seen from the use of "A pair of binoculars is a great birding tool". There is no mention of the need for unusually good eyesight or that it's only for people with backyards.

Answer:

Bird - watching is also sometimes called birding.
Bird - watching often requires listening.