tags: Razorbill, Alca torda, birds, mystery bird, bird ID quiz
[Mystery birds] Razorbill, Alca torda, photographed at the Machias Seal Island, Maine. [I will identify these birds for you in 48 hours]
Please name at least one field mark that supports your identification.
These stunning birds are the only member of their genus — can you identify it? As a bonus question, can you tell me about one of its famous relatives?
