Adult dark morph red-footed booby (Sula sula), Genovesa Island, Galapagos Islands, Ecuador, South America

Adult dark morph red-footed booby (Sula sula), Genovesa Island, Galapagos Islands, Ecuador, South America

Adult dark morph red-footed boobies (Sula sula), Genovesa Island, Galapagos Islands, Ecuador, South America

Adult dark morph red-footed booby (Sula sula) in flight, Genovesa Island, Galapagos Islands, Ecuador, South America

Adult dark morph red-footed booby (Sula sula), Genovesa Island, Galapagos Islands, Ecuador, South America

Adult dark morph red-footed booby (Sula sula) with nesting material, Genovesa Island, Galapagos Islands, Ecuador, South America

Adult dark morph red-footed booby (Sula sula), Genovesa Island, Galapagos Islands, Ecuador, South America

Adult dark morph red-footed booby (Sula sula) with chick, Genovesa Island, Galapagos Islands, Ecuador, South America

Adult dark morph red-footed booby (Sula sula) in flight, Genovesa Island, Galapagos Islands, Ecuador, South America.

Adult dark morph red-footed booby (Sula sula), Genovesa Island, Galapagos Islands, Ecuador, South America

Adult dark morph red-footed booby (Sula sula), Genovesa Island, Galapagos Islands, Ecuador, South America

Eurasian red squirrel (Sciurus vulgaris), dark phase, sitting on a tree root and eating, Tyrol, Austria, Europe

Eurasian red squirrel (Sciurus vulgaris), dark phase, sitting on a mossy tree stump, Tyrol, Austria, Europe

Eurasian red squirrel (Sciurus vulgaris), dark phase, sitting on a mossy tree stump, Siegerland, North Rhine-Westphalia, Germany, Europe