Popular Science Monthly (1879)
“ How the "Goat-Suckers" came by their Name.—Mr. A. R. Wallace calls attention to an interesting observation made by Charles Waterton, which throws some light on the origin of one of the superstitions of natural history. Ever since the time of Aristotle, at least, the belief has prevailed that the bird known as the "goat-sucker" (Caprimulgus) actually sucks goats or cows. According to Pliny, the goat-sucker "enters the fold and flies to the udders of the goats in order to suck the milk." ”
