where does the artic tern spend their summers and winters
Arctic tern The Arctic tern has a continuous worldwide circumpolar breeding distribution; there are no recognized subspecies. It can be found in coastal regions in cooler temperate parts of North America and Eurasia during the northern summer. During the southern summer, it can be found at sea, reaching the northern edge of the Antarctic ice.[12]
Purple martin The purple martin migrates to the Amazon basin in winter. Its winter range extends into Ecuador[8] but does not seem to ascend far up the Andean foothills.