Miyoko Chu

Environment

Northern bird habitat

Today's Geo Quiz is for the birds. The Great Backyard Bird Count gets under way this weekend. The idea is to report on what's on view in your backyard. Miyoko Chu of the Cornell Lab of Ornithology explains why counting birds is important.

Environment

Northern bird habitat

Today's Geo Quiz is for the birds. The Great Backyard Bird Count gets under way this weekend. The idea is to report on what's on view in your backyard. Miyoko Chu of the Cornell Lab of Ornithology explains why counting birds is important.