A comparison of several finch species from Santa Cruz Island, Galapagos.

 

THREE GROUND FINCHES THREE OTHER FINCHES

 

Small ground finch Geospiza fuliginosa Cactus finch Geospiza scandens

 

 

Medium ground finch Geospiza fortis Small tree finch Camarhynchus parvulus

 

 

Large ground finch Geospiza magnirostris Vegetarian finch Platyspiza crassirostris

 

 

Notes: These are females or immature males. Mature males are pure black. Also, the finches differ in size but are all shown here at a standard size. This way the differences in beak shape are most obvious.