. Birds. Birds. 346 SYLTIIBjB. *-«fs^?sMia==:. Fig. 110.—Acrocephalus stentoreus. Family SYLVIIDiE. The intrinsic muscles of the syrinx fixed to the ends of the bronchial semi-rings; the edges of both mandibles smooth or the upper one with a single simple notch; hinder aspect of tarsus smooth, composed of two entire longitudinal lamina); wing with ten primaries; tongue non-tubular; nostrils always clear of the line of the forehead, the space between the nostril and the edge of the mandible less than the space between the nostril and the culmen ; plumage of the nestling like that of the adult f
. Birds. Birds. 346 SYLTIIBjB. *-«fs^?sMia==:. Fig. 110.—Acrocephalus stentoreus. Family SYLVIIDiE. The intrinsic muscles of the syrinx fixed to the ends of the bronchial semi-rings; the edges of both mandibles smooth or the upper one with a single simple notch; hinder aspect of tarsus smooth, composed of two entire longitudinal lamina); wing with ten primaries; tongue non-tubular; nostrils always clear of the line of the forehead, the space between the nostril and the edge of the mandible less than the space between the nostril and the culmen ; plumage of the nestling like that of the adult female, but brighter ; rectrices ten or twelve; sexes generally alike; a partial or com- plete spring moult in addition to the complete autumn moult. The Sylviidce, or Warblers, comprise a large number of birds of small size and, with few exceptions, of plain plumage. Many of them have a complete spring moult, which not only causes a change in the colour of the plumage, but also a change in the shape and length of the tail. In some the spring moult is. 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 Oates, Eugene William, 1845-1911; Blandford, William Thomas, 1832-1905. London, Taylor and Francis
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