Leaving the den as the weather warms, Baby Bear discovers blue birds, red strawberries, orange butterflies, and other colorful things in nature. Interest Level: K-3 Reading Level: 1.5 ATOS Book Level: 1.5 AR Interest Level: LG AR Points: .5 AR Quiz: 149744EN Lexile Measure: 400 Lexile Code: AD (Adult Directed). Teaching Books: https://school.teachingbooks.net/tb.cgi?tid=29237.