common cactus finch- a male darwin galapagos finch in the galapagos islands

america animal arid avian base bill bird birding birdwatcher birdwatching black breeding cactus cactusloving coastal common dark darwin deep distinctive droopy ecotourism ecuadoe española fernandina finch galapagos galápagos genovesa geospiza isabela islands male males nature nonbreeding ornithology outdoor prevalent santiago scandens sootyblack south travel tropical wild wildlife