Robuta

https://www.vogelwarte.ch/it/publications/thick-billed-murres-in-breeding-pairs-migrate-and-overwinter-far-apart-but-in-similar-photic-environments/ Thick-billed Murres in breeding pairs migrate and overwinter far apart but in similar photic... in breedingthickbilledmurrespairs https://media.arcus.org/album/polartrec-2022-rebecca-siegel/32050 Common murres | Polar Media Archive common murrespolarmediaarchive