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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)

======================+================================================
                        | ISLAND AND DATE
                        +-----------------------+-----+-----+-----+------
     SPECIES            |     Potangeras        | Fas.| Man.| Pau | Los.
                        +-----------------------+-----+-----+-----+------
                        | Aug.| Aug.| Aug.| Aug.| Aug.| Aug.| Aug.| Aug.
                        |  14 |  15 |  16 |  17 |  19 |  20 |  21 |  22
  ----------------------+-----+-----+-----+-----+-----+-----+-----+------
  _Pluvialis dominica_  |     |     |   6 |   5 |   4 |     |  10 |   5
  _Charadrius mongolus_ |     |     |     |     |     |     |   x |   2
  _Numenius phaeopus_   |   1 |   4 |     |   1 |     |     |   1 |   2
  _Actitus hypoleucos_  |     |     |     |     |     |     |   2 |   2
  _Heteroscelus_ spp.   |     |     |     |     |   2 |     |   6 |   3
  _H. incanus_*         |     |     |     |     |     |   1 |     |   2
  _Crocethia alba_      |     |     |     |     |     |     |  30 |   5
                        +=====+=====+=====+=====+=====+=====+=====+======
  Total No.             |     |     |     |     |     |     |     |
    of Individuals      |   1 |   4 |   6 |   6 |   6 |   1 |  49 |  21
  Total No. of          |     |     |     |     |     |     |     |
    Species             |   1 |   1 |   1 |   2 |   2 |   1 |   6 |   6
  ----------------------+-----+-----+-----+-----+-----+-----+-----+------

  x Observed but numbers not recorded.

  * Figures based on identified skins.


Table 9 lists the shore birds seen at Ulithi Atoll, Caroline Islands, on
eight field excursions in the period from August 14 to August 22, 1945.
Of seven species of shore birds known to visit the atoll, six were taken
in this period. As observed at Guam, _Pluvialis dominica_ and _Numenius
phaeopus_ were the species most frequently found. _Heteroscelus_ was
seen on three occasions; those collected were identified as _H.
incanus_. Most of the shore birds were seen at Pau and Losiep, islands
unoccupied by man. Similar tidal flats are present at most of the other
small islands in the atoll, but these islands (Asor, Fallalop,
Potangeras, Fassarai and Mangejang were visited) were occupied by small
detachments of service personnel or by natives, which may have tended to
keep many of the shore birds away. At the more populated islands of Asor
and Fallalop, no shore birds were seen. Almost as many species were
recorded at Ulithi on the eight field trips as were found by the author
at Guam in eight months of observations.


TABLE 10. POPULATIONS OF MIGRATORY SHORE BIRDS SEEN AT THE PALAU ISLANDS
IN 1945

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

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