Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Maclean
1968
C. melanopterus
(22 June) IV A-B - again some ♂ feeding in the sw grass,
displaying and chasing occasionally.
Back through the Voth area - saw a
♀ off a nest. Backed up and watched her
ger back on a nest in tall, dense grass. Flushed
her to stake nest, then went to weasel for
scale and shotgun. Returned - saw a ♀ off a
nest - and watched this one ger on to another
nest 20 m. from the first! Collected the
territorial ♂ watching over the area, both ♀♀,
both clutches.
Nest #1 - ♀ SN 900 - 73.2g.
egg #1 - 12.6 g.
2 - 13.2
3 - 12.6
4 - 12.7
x = 12.775 g
Σ = 49.1 g
Nest #2 - ♀ SN 901 - 67.6g.
egg #1 - 12.0g
2 - 11.9
3 - 12.5
4 - 12.1
Σ = 48.5
x = 12.125
Just as I was stalking the ♂ a flock
of pectorals came by. He succeeded in driving them off,
but after I collected the ♂ the flock of ca. 25
landees on a polygon ca. 30 m. from the closest
of the two nests. The birds stood quietly, quite