When National Geographic published the first-ever self-triggered wildlife image in 1906, its board members were outraged—they couldn’t understand why the eminent adventure magazine would sensationalize itself by turning into "a picture gallery." But the readers were hooked right away, and over the last century, their enthusiasm has inspired Nat Geo to become a powerhouse source of wildlife imagery. In today's image-driven world of media, Nat Geo continues to astound and delight. Lucky for us, many of those projects focus on birds—a 2012 story and photo montage on all 39 species of birds-of-paradise was the result of a several-year expedition by two ornithologists to more than 28 tropical locations. That same year Nat Geo teamed up with The Wild Bird Trust to launch a semi-weekly online photo series centered around threatened avians and conservation efforts from all over the world—the collection is now in its 76th edition. Nat Geo also supports...