. Nature's carol singers. Birds. NATURE'S CAROL SINGERS. -Â»*â ground and his foster-mother, say a Robin, Hedge Sparrow or Pied Wagtail, comes along with a supply of food, he has not the sense to accommodate himself to the sta- ture of his wee parent, for, instead of lower- ing his great dappled head, he rears it as high in the air as he can, and the feeder has to stand on his shoulders, as shown in the accompanying pho- tograph, and literally drop the food down his throat. The food of adult Cuckoos is insectivor- ous, and consists largely of hairy caterpillars such as those of the Drinker Moth. The Ciickoo sings upon the wing, and sometimes keeps up its vocal efforts all night long. It has been asserted 14. TREE PIPIT FEEDING YOUNG CUCKOO WHILST STANDING ON HIS SHOULDERS.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Kearton, Richard, 1862-1928; Kearton, Cherry, 1871-1940, illus. London, New York [etc. ] Cassell and Co. , Ltd.