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The Avifauna of Micronesia, Its Origin, Evolution, and DistributionBaker, Rollin H. (Rollin Harold)

Science

The Avifauna of Micronesia, Its Origin, Evolution, and Distribution

Name: The Avifauna of Micronesia, Its Origin, Evolution, and Distribution
Author: Baker, Rollin H. (Rollin Harold)

Baker, Rollin H. (Rollin Harold)

Birds -- Micronesia; Birds -- Pacific Islands (Trust Territory)

Although shore birds have been observed in Micronesia on many occasions,
actual counts of numbers of individuals of the different birds have
rarely been made. Kubary, Finsch, Marche, Seale and other early
collectors and observers record some data of this kind as have the
Japanese investigators in later times. William Coultas of the Whitney
South Sea Expedition obtained considerable information of this nature at
Guam, Saipan, Kusiae, Ponapé, and the Palaus, but it is unpublished. His
records were made in fall, winter and spring, when migrants were present
in large numbers and these observations offer evidence that many of the
migrants are comparatively numerous, especially in the Carolines,
throughout the winter months. McElroy's observations made on his trip
for NAMRU2 to Truk in December, 1945, offer further evidence of this.


TABLE 8. POPULATIONS OF MIGRATORY SHORE BIRDS SEEN AT GUAM IN 1945

  Column headings:

  A: _Pluvialis dominica_
  B: _Charadrius mongolus_
  C: _Numenius phaeopus_
  D: _Actitis hypoleucos_
  E: _Heteroscelus_ spp.
  F: _Heteroscelus incanus_[+]
  G: _Heteroscelus brevipes_[+]
  H: _Limosa lapponica_
  I: _Arenaria interpres_
  J: Unidentified
  K: Total No. of individuals
  L: Total No. of species

  =============+====+====+====+====+====+====+====+====+====+====+====+====
               |  A |  B |  C |  D |  E |  F |  G |  H |  I |  J |  K |  L
  -------------+----+----+----+----+----+----+----+----+----+----+----+----
  March 11     |  x |    |    |    |    |    |    |    |    |    |  x |  1
  March 17     | 10 |    |  1 |    |  2 |    |    |    |    |    | 13 |  3
  March 19     |  x |    |  x |    |  x |    |    |    |  x |    |  x |  5
  April 24     |  x |    |    |    |    |    |    |    |    |    |  x |  1
  April 26     |    |    |    |    |    |    |    |  1 |    |    |  1 |  1
  May 19       |    |    |    |    |  3 |  2 |    |    |    |    |  5 |  1
  May 21       |    |    |    |    |  4 |    |    |    |    |    |  4 |  1
  May 26       |    |    |    |    |  x |  2 |    |    |    |    |  x |  1
  June 1       |    |    |  1 |    |    |    |    |    |    |    |  1 |  1
  June 6*      |    |  1 |  x |    |  x |    |  1 |    |    |  x |  x |  4
  June 11      |    |    |  1 |    |    |    |    |    |    |    |  1 |  1
  June 12      |    |    | 12 |    |  2 |    |    |    |    |    | 14 |  2
  June 22      |    |    |  2 |    |    |    |    |    |    |  1 |  3 |  2
  June 30      |    |    |    |    |    |    |    |    |    |  2 |  2 |  1
  July 7       |    |    |  2 |    |    |    |    |    |    |    |  2 |  1
  July 8       |  3 |    |  x |    |  1 |    |    |    |    |    |  x |  3
  July 16*     |  6 |    |  3 |  3 |  4 |    |  1 |    |    |    | 17 |  4
  July 19      |  x |    |  x |    |  x |    |    |    |    |    |  x |  3
  July 24*     | 10 |    |  6 |    |  3 |    |  2 |    |  3 |  5 | 29 |  5
  July 26      |    |    |  8 |    |    |    |    |    |    |    |  8 |  1

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The Avifauna of Micronesia, Its Origin, Evolution, and Distribution

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