A Scarlet Macaw (Ara macao) sits on the head of Kimberly Marie Patrick, an adjudicator for the Guinness World Records, at Xcaret's ecological park in Playa del Carmen June 1, 2011. The park has entered the Guinness World Records for having the biggest number of endangered macaws born in captivity in the same place over one year. A total of 105 Scarlet Macaws and Green Macaws (Ara militaris) have been born in captivity at the park since 2009.[Photo/Agencies]