Mark Bowler / Guanay Cormorant / Shag (Phalacrocorax / Leucocarbo bougainvillii) on water. Paracas National Reserve, Peru, August.

JIM CLARE / Juvenile Guanay cormorant {Leucocarbo / Phalacrocorax bougainvillii} Guano Islands, Peru.

JIM CLARE / Guanay cormorant colony on beach {Leucocarbo / Phalacrocorax bougainvillii} San Juan, Peru.

Doug Allan / Guanay cormorants {Leucocarbo / Phalacrocorax bougainvillii} Punta Tompo, Argentina, South America

JIM CLARE / Guanay cormorant colony in surf {Leucocarbo / Phalacrocorax bougainvillii} San Juan, Peru.

JIM CLARE / Guanay cormorant colony with chicks {Leucocarbo / Phalacrocorax bougainvillii} Guano Island, Peru.