[Mystery bird] Barnacle Goose, Branta leucopsis, photographed at Luonnontieteellinen keskusmuseo (University of Helsinki Museum of Natural History), Helsinki, Finland. [picture of the same species with its muscle and feathers]
Canon SX100 IS.
Please name at least one field mark that supports your identification.
EEEK! It’s another completely bare-nekkid bird for you to identify! Can you ID this bird species? (Yes, it’s going to be very challenging to ID species, but you should be able to ID family easily).