. Elements of zoology, or, Natural history of animals / ed. by Reese. Zoology. 160 ZOOLOGY. flocks, sometimes at a great height, uttering discordant screams. They nestle in the holes of walls and rocks. The swallows are less capable of sustaining a continued flight than the swifts, as is shown by their weariness after or during migration, on which occasions they have been seen to alight flat upon the sea. Several species exist in Europe, and many more in other parts of the world. Among them may be mentioned a small species inhabit- ing the Indian archipelago, which forms its nest of a spe
. Elements of zoology, or, Natural history of animals / ed. by Reese. Zoology. 160 ZOOLOGY. flocks, sometimes at a great height, uttering discordant screams. They nestle in the holes of walls and rocks. The swallows are less capable of sustaining a continued flight than the swifts, as is shown by their weariness after or during migration, on which occasions they have been seen to alight flat upon the sea. Several species exist in Europe, and many more in other parts of the world. Among them may be mentioned a small species inhabit- ing the Indian archipelago, which forms its nest of a spe- cies of sea-weed, which it macerates in its stomach and then arranges in layers. These edible birds' nests, as they are commonly termed, are highly prized as delicacies in China, and constitute an important article of traffic with that country. 227. The Caprimulgid^:, or Goaf-suckers, are noctur- nal birds, and have the same light soft plumage which characterizes the owls. Their eyes are large, and theii* gape still wider than that of the swallows, so as to be capa- ble of engulfing the largest insects. They come forth in the twilight and return to rest before morn- ing ; but in their other habits they much resemble the Head of Goat-sucker. swifts, with which, indeed, they are closely connected by intervening species; for, whilst there are goat-suckers which fly by day, skimming over the surface of ponds in small flocks, precisely in the manner of swallows, there is also a swift which only flies at night. 228. The family of MeropidvE, or Bee-eaters, is con- fined to the warm regions of the Old World ; only one species being known as having occasionally strayed to Britain. They have long and pointed wings and short. 277. What of the Swallow tribe ? 278. How are the Goat-suckers characterized ?. 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 per
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Keywords: ., bookcentury1800, bookdecade1840, bookpublishe, booksubjectzoology
