- may
arise from the apterylae. The
arrangement of
these feather tracts,
pterylosis or pterylography,
varies across bird
families and has been used in the...
-
defined and
dense clusters—as
opposed to the apterylae. See related:
pterylosis.
pterylosis Also, pterylography. The
arrangement of
feather tracts, as seen...
- skin
called pterylae. The
distribution pattern of
these feather tracts (
pterylosis) is used in
taxonomy and systematics. The
arrangement and
appearance of...
-
Pterylosis or the
feather tracts in a
typical p****erine...
- Press. pp. 238–242. ISBN 0-19-850213-3. Shelford, R. (1900). "On the
pterylosis of the
embryos and
nestlings of
Centropus sinensis". Ibis. 42 (4): 654–667...
- London: Adam and
Charles Black. p. 107. Shelford, R (1900). "On the
pterylosis of the
embryos and
nestlings of
Centropus sinensis". Ibis. 6 (4): 654–667...
- p. 959. ISBN 0-394-46651-9. Fisher,
Harvey I. (February 1942). "The
Pterylosis of the
Andean Condor". Condor. 44 (1).
Cooper Ornithological Society:...
-
University Press ISBN 0-226-05641-4 p. 300 Fisher,
Harvey I (1942). "The
Pterylosis of the
Andean Condor". Condor. 44 (1): 30–32. doi:10.2307/1364195. JSTOR 1364195...
-
original on 2007-10-09.
Retrieved 2008-01-08. Fisher,
Harvey L. (1942). "The
Pterylosis of the
Andean Condor". Condor. 44 (1): 30–32. doi:10.2307/1364195. JSTOR 1364195...
- (Dumont)
during winter". Pavo. 3: 47–54. Naik RM,
Andrews MI (1966). "
Pterylosis, age
determination and
moult in the
jungle babbler". Pavo. 4 (1–2): 48–57...
