My field ID was Woodpecker Finch, based in part of my interpretation of what was a decidely unique call. A loud, single note that drew attention even from the casual observer. However, re-examination give me pause. Bill structure does not seem quite right. Can I eliminate Large Tree Finch?
Spheniscus mendiculus
Isabela Island, Galapagos, Ecuador
Mimus parvulus
Santiago Island, Galapagos, Ecuador
Geospiza magnirostris
North Seymour Island, Galapagos, Ecuador
One of Darwin's finches