Switzerland #BirdsSeenIn2023 - Hashtag Challenge
431 species of birds have occurred in Switzerland
Birds featured in #BirdsSeenIn2023

switzerland_29_species_3.6.23.pdf |
Birds featured in #BirdsSeenIn2022

switzerland_49_species_31.12.22.pdf |
Birds featured in #BirdsSeenIn2021

switzerland_17_species_31.12.21.pdf |