Hi,
Not sure if you (or indeed the list) is aware of
Ravens in Winter
by Bernd Heinrich
This is an absolutely outstanding book as is the follow up. Reading Ravens in
Winter will take ravens to the top five of your favourite birds! Great book.
While I'm not sure it will answer your query (I'm getting on a bit since I read
it and must pick it up again;-) ) it will provide a lot of anecdotal evidence
of their behaviour.
http://www.librarything.com/work/37934
http://www.genomenewsnetwork.org/articles/06_00/Mind_raven_review.php
http://en.wikipedia.org/wiki/Bernd_Heinrich a google on him will show many
other books such as Nesting Season: Can birds fall in Love
http://tinyurl.com/2ecg6bl
... and this page will give you his bio and e-mail address!
http://tinyurl.com/27wwvqg
By the way, his grandfather was also involved in ornithology in Indonesia or
Malay Archipelago, I think with AR Wallace but someone else may correct or
elaborate on that.
Best wishes and good luck.
Alan
On 28/07/2010, at 16:55 , Chris Cantor wrote:
Dear Friend,
I am a psychiatrist based in Noosa with the University of Queensland
researching cross species group responses to injured group members.
Novelist Sir Walter Scott mentioned (fact or fiction) that crows may
kill injured group members to prevent the injured member attracting
hawks to the rookery - predator deterrence. This makes evolutionary
sense. Trawling the web I have found references to mercy killing by
crows which does not make such evolutionary sense. Konrad Lorenz
described general mobbing but I have been unable to find any
authoritative references on the predator deterrent or mercy killing
suggestions. As I have been searching for several weeks I would be most
appreciative if you were able to point me in the suitable directions
(i.e. references or people who might be able to help).
Dr Chris Cantor
Noosa
Home: +61 (0)7 54492992
Chris and Becky Cantor
Home: +61 (0)7 54492992
==============================
To unsubscribe from this mailing list,
send the message:
unsubscribe
(in the body of the message, with no Subject line)
to:
http://birding-aus.org
==============================
===============================
To unsubscribe from this mailing list,
send the message:
unsubscribe
(in the body of the message, with no Subject line)
to:
http://birding-aus.org
===============================
|
