價格：免費
檔案大小：151.4 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Learn about the many kinds of butterflies in North America with this useful app.
FEATURES
-Detailed information, and photos, over 500 species
-Save your favorites for easy reference later
-Search function to find species quickly
-3D study cards
-Challenging ID trivia
-Vocabulary search puzzle
-Easy on the eyes, font size adjustment
-Handy built in notepad to keep track of important information
支援平台：iPhone, iPad