Nazca Booby Sula granti Genovesa (Tower Island)

The Nazca booby, endemic to Galapagos, is considered to be the brightest white of all seabirds. The yellow and orange bill and eye, surrounded by a black mask, give it a visually spectacular appearance. This bird has one breeding period a year and lays two eggs. Even when food is plentiful only one chick survives as the more mature chick pecks to death the second to hatch. It is rare to see a Nazca booby with two chicks.

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