Jim Brandenburg / Monarch (Danaus plexippus) butterfly group resting on Thickspike Gayfeather (Liatris pycnostachya) flowers, North America

Thomas Marent / Straight Line Mapwing (Cyrestis nivea) butterfly group feeding on minerals in sand, Gunung Leuser National Park, northern Sumatra, Indonesia

Ingo Arndt / Owl Butterfly (Caligo memnon) larva eating egg shell after hatching, Costa Rica

Mark Moffett / Tiger Longwing (Heliconius hecale) butterfly eggs on plant tendril, Peruvian Amazon

Jim Brandenburg / Monarch (Danaus plexippus) butterfly group resting on Thickspike Gayfeather (Liatris pycnostachya) flowers, North America