Blue-footed Boobies and their Guano Ring Nesting Site Blue-footed Boobies mark their nest with a guano ring. If the chick moves one inch out of this circle, it is completely ignored by the parents. Boobies return to the same nest each year. The booby is legally protected in the Galapagos Islands, but not elsewhere. Half of the 40,000 breeding pairs in the world are on the Galapagos Islands. North Seymour Island.
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