Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Holmes,R
1960
4.
Polysticta stellari
30 Jun Skroawik, Alaska
Turned on him. In the water, the
birds scooted around, propelled by
a foot paddling of the feet. Sometimes
The female during her violent head
jerking would dive on his downward (head) stroke. The male occasionally would put his head from
frontward but never a head to
the female. Sometimes there period
of courtship would last 2-3
minute, and then there followed
a period of feeding for 30
seconds to 1 minute before
courtship was resumed. Once when the
♀ was in the water, she was following
behind the ♂. Suddenly she turned off
(90°) and began swimming faster. As she
did so, her body was weaving from side
To side, and her wings were raised
slightly (it seemed to be slightly closed). The tail was raised up to down
several times during the performance.
This lasted for about 10 seconds
during which time, the ♂ followed her. She went
at the edge! The pond & she
walked up to shore among a bed