Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
C. alba - check
27 June #1 4 eggs, female present N.V.
30 June #1 ♀ sitting 24
2 July #1 4 eggs ♀ not present 14:15 N.V.
♀ sitting 15:15 N.V.
4 July #1 4 eggs ♀ not present 11:15 N.V.
5 July #1 4 eggs ♀ not present 21:15 N.V.
6 July #1 4 eggs ♀ sitting, but got off when observers
cd. 70 m. away. 2000 24
7 July #1 4 eggs ♀ not on at 13:50. Egg felt warm. At
13:55 ♀ returned to nest. N.V.
8 July #1 4 eggs ♀ not on at 18:00. N.V.
9 July #1 4 eggs ♀ not on at 16:15 N.V. Saw her about
50 to N. standing on an oil drum.
10 July #1 4 eggs, ♂ on nest. at 12:00. N.V. 25m.
11 July #1 4 eggs, ♀ not on at 10:15. N.V.
12 July #1 1 pipped egg, 3 day young at 17:00. Took picture of the
nest and then took 2 young out of the nest. The female
went back on the nest after I left.