Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Journal
54
R.E.Johnson
1968
May 30 Amchitka Island, Alaska (cont.)
later for total salt conc., as well as Mg, Na, t
K conc. This is the first time salt secretions
have been obtained from any member of the
Order Gaviformes. Gaviformes & Podicipediformes
are the only two orders of birds when spend
time in salt waters that had not been tested
for presence of a functional salt gland.
In the future the procedure should be
modified to hold the foot more firmly.
Also a higher conc. of salt or a larger
volume of solution must be injected
since the secretion obtained was minimal.
Secretion occurred in very small amounts
starting 1/2 hour after injection & lasting
for another 1/2 hour. No external drops formed
& much of the liquid probably evaporated at times
when my tube was not in the nostrils. The
Loon was released in Clerenges Lake immediately
after the experiment & he swam away a short
distance & then proceeded to dive for short
distances as he receded into the fog.
Odds & ends notes on rosy finches or their
nests seen in area B, mentioned earlier in the notes.
Eggs were found on the floor in 3 buildings (1 egg,
1egg, & 2 eggs. An egg was found in one
old nest not previously mentioned. This has been
noted several times before. Active nests also appear