Question

field guide that describes all the birds in your area. the pictures and information can 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 clues in the text, what is likely true about the sounds birds make? all birds make sounds that are pleasing to hear. most birds make sounds only when they are happy. birds use their sounds to tell people where they are. different kinds of birds make different sounds.

Explanation:

The text mentions there are about eighteen - thousand kinds of birds in the world. It is reasonable to infer that with such a large variety, different kinds of birds make different sounds. The text does not give any clues about birds' sounds being pleasing, related to happiness, or used to tell people their location.

Answer:

Different kinds of birds make different sounds.