Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Maclean
1967
C. melanotos
3.
[14 June] has just opened up - it will be interesting
to see if the birds remain. Some display-
several chases involving the 'garle'
Note and some booming.
In the evening a similar group
8. of N.B.S.
18 June Saw a flock of ca. 12 o'♂♂ East
of Gasline Road between Voth Slough
Crossing and Footprint Lake. Birds
were feeding in wet marsh and pond
edge. Collected 2 (SM 720; 721.). Spent
most of the day around the polygonized
area East of Footprint Lake. There
♂♂ were common - spread out and
territorial. Much chasing and frequent
display. ♀♀ were scarce - most that
I managed to flush were quickly
displayed over and/or chased. None of
those flushed appeared to be coming off
of nests. 1 ♀ stood feeding, then a
pair of alpine began copulation ca.
40 m. away. ♀ melanotos flew over,
landed '12 m. away, and watched
the entire proceedings. ♀ peotoral,
of all birds, should not be hurting
for a little sexual stimulation!
Collected this ♀ (SM 718): ova to
5 mm and incubation patches just