012368 01 Invertebra Butterfly Monarch Actions Activity Animal Animal Behavior Animal Behaviors Animalia Animals Arthropod Arthropods Behavior Behaviors Butterflies Butterfly Concept Danaidae Danaus Danaus Plexippus Evergreen Tree Fir Flight Flora Flying Group Insect Insecta Insects Invertebrate Invertebrates Lepidoptera Location Macrolepidoptera Mexican Mexico Michoacan Milkweed Butterflies Monarch Monarch Butterflies Monarch Butterfly Monarchs More Than Two Multiple Multitude Multitudes Nature North America North American Number Of Subjects Oyamel Papilionoidea Photographic Technique Plant Plants Plantae Poisonous Resting Sacred Fir Species Subject Tree Trees Vegetation Vertical Wildlife Frans Lanting