of the midnight Sun
being above the horizon we were impressed how most of the birds were completely
silent (slept) for the "darkest" 3-4 hours.
Thanks for the discussion
Harry Lehto
Finland
hle...@utu.fi
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Hi,
in discussing night flight calls I am a bit confused about the concept of
"night". Astronomically, I have no problem with the true night, and the various
twilights. If the limit of "night" is taken at sunset/sunrise, then various day
birds fall into the category of night flight calling
Mike et al,
to your point..
>It makes sense, but I saw more birds at 60x than at 20x. Also again,
> more birds with a polarizing filter on the end, this was also easier
> on the eyes. So where does that leave us? Well definetly we need much
> more thought of optics used and how to assign
Hi,
for the type of call that Tengmalm's/Boreal Owl (Aegfun) makes when they
are moving about is now downloaded at
http://www.tarsiger.com/sounds/index.php?lang=eng
Regards
Harry
hle...@utu.fi
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Rob and others,
The Tengmalms/Boreal Owls (Aegfun) wer enot heard by Janne
but by a couple of other people. One of them is close to the North end of the
gulf of Bothnia. The Tengmalm call is by description the same as what I call
(somewhat incorrectly the Whip call - I'll
Michael and others,
After my last email to the group Magnus Robb inquired
about the Spotted Flycatcher (Musstr) I mentioned, so I sent out an inquiry to
the Finnish birdnet about what migrants birders had heard. Among others Spotted
was "confirmed" although undocumented
Dear all,
quite interesting to read about flights of rare vargrant such as
swainson's thurshes or yellow warblers. Where I do some monitoring I have had
rather quiet nights in the last week. Some Black-bellied Plovers (Plusqu),
Ringed Plovers (Chahia), Tree pipits (Antpra), Spotted
