De Benedictis 1967 Creager Feb 18 Punta Suarez, Isla Espanola, Galapagos. (al. The black head is very sharply set off from the grey mantle & white lines flowing on the ends of the secondaries. The head & neck are extend up and forward,, the corpus remaining in in all 7-10 cores watches, and the bill opened widely. and the blunt cup does not contour so sharply. The call begins with a rattly, dry and mechanical and goes to a whistle, the end of the rattle and beginning of the white over lapping " mmm rrrnnrr ee aaah. " the rattle is almost like an inhalation while the whistle is produced on an exhalation. This pair also has a 1/4 grown downy young, pale grey, with spotted feather coming in on the scapulars. This young cowered against a crevice next to the cliff. The parent "whistled" when I got near this young but didn't bid me or appears to attack. Saw one other bird give a bill up (beak loss) too far away to hear anything. Another pair, one was wibbling in the nope and crown of another, which was in the not extreme tail up posture already described. There