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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Janich
1953
8
Asio flammeus
July 15 Point Barrow, Alaska
after my last visit now has 2 dead chicks and
4 fertile eggs with advanced embryos. Next
reported July 8 by Dill Maker abandoned, with
one egg punctured and not piped as he
reported. Six eggs were fertile with well-formed
embryos and a 7th was extra large, malformed,
and thin shelled. I saw no short-eared
owls today. Wholesale abandonment of nests,
just as the chicks are hatching or are about
to hatch seems to me to be due to other
factors than human interference, although
this seems to be the final element in several
cases. It may be that the abundance of
jaguars and the unreasonable cold and
overcast have turned this area into one
which this owl is not equipped to meet.
July 20 Deserted nest near S.E. corner of plot L.E. has
4 fertile eggs and one infertile egg. Deserted nest
on Beach Ridge between two antennae has
5 eggs, 1 infertile egg, 1 embryo dead before the
desertion, and 3 well developed embryos apparently
alive at time of desertion.
July 22 Nest about 250 yds S. of snowy owl nest #3 has four
downy young and one infertile egg. Three weanling
lemmings lay at the edge of the nest. Site
on broad high polygon among tufts of
course grass (Arctagrostis?) that is now growing.