Evolutionary BiologyJournal of The Royal Society InterfacePeer-reviewed
Upper bill bending as an adaptation for nectar feeding in hummingbirds
Alejandro Rico‐Guevara, Diego Sustaita, Kristiina J. Hurme…·Daniel J. Field
This study investigates bill bending in hummingbirds during nectar feeding, finding that maxilla deformation enables efficient nectar exploitation in narrow flowers.