Razorbill flying near Petit Manan Island, ME, from aboard the Tricia Clark Puffin Cruise. Razorbills have white lines on their face & bill primarily during the breeding season as a visual signal, potentially for mate attraction or territorial display (source: Cornell-All About Birds). Fun fact: It is the closest living relative of the extinct great auk
5.29 Razorbills have white lines on their face & bill primarily during the breeding season as a visual signal, potentially for mate attraction or territorial display (source: Cornell-All About Birds). Fun fact: It is the closest living relative of the extinct great auk #birds #razorbill #mainebird
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