Mark Moffett / Large Ground Finch (Geospiza magnirostris) endemic species, extra large bill for cracking large seeds, largest of Darwin's 13 Finches, Santiago Island, Galapagos Islands, Ecuador

Pete Oxford / Leaf detail, Mindo cloud forest, Ecuador

Tui De Roy / Waved Albatross (Phoebastria irrorata) pair bonding, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Great Frigatebird (Fregata minor) male with inflated gular pouch in courtship display, Tower Island, Galapagos Islands, Ecuador

Tui De Roy / Great Frigatebird (Fregata minor) pair courting, male in full display with inflated gular air pouch, Tower Island, Galapagos Islands, Ecuador

Tui De Roy / Great Frigatebird (Fregata minor) male in courtship display with fully inflated gular air pouch, Tower Island, Galapagos Islands, Ecuador

Fred Bavendam / Scalloped Hammerhead Shark (Sphyrna lewini) close-up portrait Galapagos Islands, Ecuador, Ecuador

Murray Cooper / Orchid (Dracula lafleurii) flower with pollinator flies, Ecuador

Tui De Roy / Great Frigatebird (Fregata minor) feathers, Galapagos Islands, Ecuador

Pete Oxford / Scalesia (Scalesia affinis), Isabella Island, Galapagos Islands, Ecuador

Pete Oxford / Fern frond with drip tips, Mindo Cloud Forest, Ecuador

Ingo Arndt / Sally Lightfoot Crab (Grapsus grapsus) on rocks, Santiago Island, Galapagos Islands, Ecuador