|Medium Ground Geospiza fortis and Large Ground Finch G. magnirostris, Baltra Airport; females or immatures.|
Distinguishing them is not always easy, but that's not because they're hard to see!
|Daphne Major at dawn. The expeditioners' landing place is among the low cliffs to the right; no beaches or jetties here!|
|Large Ground Finch male Goepsiza magnirostris, Puerto Ayora. The bills are adapted for seed collection, different sized bills being suited to seeds of differing size and hardness.|
|Common Cactus Finch G. scandens, Puerto Ayora on Opuntia cactus. The bird relies heavily on the Opuntia, for nectar, pollen, fruit and seeds at different times of the year.|
|Large Cactus Finch Geospiza conirostris, Genovesa.|
Similar to Cactus Finch but bigger and more heavily-built; restricted to just four outer islands.
|Small Ground Finch G. fuliginosa, Isla Fernandina, gleaning parasites and dead skin from Marine Iguanas.|
|The massive parrot-like bill of the Vegetarian Finch C. crassirostris is employed to snip off buds, leaves, fruit and seeds, and to strip bark off growing shoots to access sugar-rich sap. Here is a female on Santa Cruz.|
|Small Tree Finch male C. parvulus, Los Gemelos, Santa Cruz.Its stubby curved bill is specialised for tweezering|
insects and grubs from leaf and bark surfacesand extracting larvae from inside soft stems.
|Large Ground Finch, Puerto Ayora.|