You’ve Heard of the Chicken of the Sea? Meet the Whale of the Air.
The oilbird, or guacharo, is not a morbidly obese bird. It’s called “the whale of the air” because like its larger, ocean-dwelling brethren, it contained oil—oil that was harvested yearly, and which lit lamps and greased up South American society. The oil comes from the oilbird’s special diet as a chick. Adult oilbirds only weigh…
