Interspecific tandem flights in nocturnally migrating terrestrial birds

We report some interspecific nocturnal tandem flights involving the
Eurasian woodcock and other terrestrial non-passerine species such as the
Japanese green pigeon in two bird observatories in northern Japan. Our
observation suggests that this previously undescribed interspecific
interaction may be a novel form of commensalism or mutualism in nocturnal
migrants. Here we upload the supporting dataset that includes the date and
time, abundance, the presence/absence of nocturnal flight calls, flight
direction, flight altitude, and observation location for each observed
pass-by species.