When flocking is costly: reduced cluster-flock density over long-duration flight in pigeons

Birds invest wingbeats to keep a steady head and reap the ultimate benefits of flying together

(2019) Lucy A. Taylor et al.   PLOS BIOLOGY

Simultaneous measurements of three-dimensional trajectories and wingbeat frequencies of birds in the field

(2018) Hangjian Ling et al.   Journal of the Royal Society Interface

Homing pigeons (Columba livia) modulate wingbeat characteristics as a function of route familiarity

(2017) Lucy A. Taylor et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Terminal attack trajectories of peregrine falcons are described by the proportional navigation guidance law of missiles

(2017) Caroline H. Brighton et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Matching times of leading and following suggest cooperation through direct reciprocity during V-formation flight in ibis

(2015) Bernhard Voelkl et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Upwash exploitation and downwash avoidance by flap phasing in ibis formation flight

(2014) Steven J. Portugal et al.   NATURE

Flying in a flock comes at a cost in pigeons

(2011) James R. Usherwood et al.   NATURE