Data and code supporting publication in Ecology: Shifts in avian migration phenologies do not compensate for changes to conditions en route in spring and fall

This data and code support the publication by Adams et al. in the journal <i>Ecology</i> in 2025. The article is titled "Shifts in avian migration phenologies do not compensate for changes to conditions en route in spring and fall."Please see Read_me.txt for a descriptions of the data and code.