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Transcription
C.D. Hachman
1967
Measurements
Nihoa Island, March 8
Sooty Tern (Sterna fuscata)
Many eggs on bare ground side, Sida and Solanum.
Found a few eggs (5) on a slightly depressed pile of
dried vegetation - small twigs + pieces of bark.
Egg measurements are in millimeters
36.35 x 48.3
37.5 x 49.75 light incubation
36.95 x 53.6
37.1 x 51.7
35.9 x 50.95
35.45 x 46.85
34.8 x 51.9
35.95 x 52.32
35.9 x 51.8
37.25 x 51.15
37.5 x 49.84
35.6 x 52.7
36.9 x 48.15
37.3 x 51.9
36.84 x 52.41
36.15 x 50.7
36.65 x 51.16
34.78 x 50.75
37 x 52.5
36.75 x 50.75
36.5 x 51.15
Egg range in coloration from pure white with few
spots to dark tan with heavy brown spotting. Several
eeggs that were inadvertently broken were lightly incubated.
Hachman, C.D.
1967
Measurements
Great Frigatebird (Fregata minor)
March 10 Necker Island
Egg measurements are in millimeters.
Egg measurement Stage of incubation Sex incubating
49.25 x 72.6 fresh ?
50 x 64.5 " female
50.8 x 68.2 ? male
46.65 x 68.7 fresh male
48.2 x 66.8 opaque female
47.8 x 72.2 fresh male
48.9 x 66.9 opaque female
46.2 x 68.4 opaque male
44.7 x 65.25 ? female
49.x 71.5 opaque male
48.5 x 69.1 opaque male
47.4 x 71.4 opaque male
47.6 x 70.1 opaque male
46.4 x 72.6 fresh male
47.5 x 69.5 fresh female
49.3 x 71.2 fresh female
48.6 x 71.1 opaque female
45.6 x 71.8 " ?
48.1 x 69.6 " female
48.2 x 66.2 " female
Nest description: nests on Cheropecolin base + constructed almost
exclusively of Cheropecolin twigs.
Height above ground Diameter
8 mks. 15 inches.
10 " 14"
19 " 13 "
14 " 17 "
18 " 18"
12 " 16"
11 " 15"
9 " 16"
13" 16"
14" 12"