[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
RE: Origin of flight
Well there you go Tim.
It just goes to show that great minds think alike.
I haven't seen this insect catching behaviour by birds since then but I will
watch out for it and try and video it.
From: Tim Williams <firstname.lastname@example.org>
Subject: RE: Origin of flight
Date: Tue, 11 Sep 2007 19:51:51 -0500
Received: from msg-mx0.usc.edu ([18.104.22.168]) by
bay0-mc3-f15.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.2668); Tue,
11 Sep 2007 17:52:30 -0700
Received: from listproc.usc.edu ([22.214.171.124]) by msg-mx0.usc.edu (Sun
Java System Messaging Server 6.2-7.05 (built Sep 5 2006)) with ESMTP id
<0JO800851D3BCP80@msg-mx0.usc.edu>; Tue, 11 Sep 2007 17:52:25 -0700 (PDT)
Received: from listproc.usc.edu (listproc@localhost [127.0.0.1])by
listproc.usc.edu (8.10.1/8.10.1/usc) with SMTP id l8C0qNm20417; Tue, 11 Sep
2007 17:52:23 -0700 (PDT)
Received: from usc.edu (usc.edu [126.96.36.199])by listproc.usc.edu
(8.10.1/8.10.1/usc) with ESMTP id l8C0qGm20377 for
<DINOSAUR@listproc.usc.edu>; Tue, 11 Sep 2007 17:52:16 -0700 (PDT)
Received: from msg-scanner1.usc.edu (msg-scanner1.usc.edu
[188.8.131.52])by usc.edu (8.10.1/8.10.1/usc) with ESMTP id l8C0qGL05332
for <email@example.com>; Tue, 11 Sep 2007 17:52:16 -0700 (PDT)
Received: from bay0-omc3-s21.bay0.hotmail.com ([184.108.40.206]) by
msg-scanner1.usc.edu (Sun Java System Messaging Server 6.2-7.05 (built Sep
5 2006)) with ESMTP id <0JO800J89D34MC30@msg-scanner1.usc.edu> for
firstname.lastname@example.org (ORCPT email@example.com); Tue, 11 Sep 2007 17:52:16 -0700
Received: from hotmail.com ([220.127.116.11]) by
bay0-omc3-s21.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.3959); Tue,
11 Sep 2007 17:51:54 -0700
Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC;
Tue, 11 Sep 2007 17:51:54 -0700
Received: from 18.104.22.168 by by115fd.bay115.hotmail.msn.com with HTTP;
Wed, 12 Sep 2007 00:51:51 +0000 (GMT)
X-Listprocessor-Version: 8.1 -- ListProcessor(tm) by CREN
X-OriginalArrivalTime: 12 Sep 2007 00:51:54.0267 (UTC)
Nick Page wrote:
A few months ago I was sitting in my garden when I noticed what I took to
be a rather dimwitted bird catching insects off the lower leaves of a
I then thought that a reptile with proto winglike forelimbs could do the
The more efficient jumpers and flappers would be at an evolutionary
advantage and get the most insects.
I wondered about this some time ago...
The idea is basically a spin-off of John Ostrom's 1970's hypothesis of
pro-avians using their proto-wings and jaws to catch flying insects. The
big difference is that the insect-catching proto-bird presumably doesn't
have to work as hard, because the intended prey is sitting on a leaf, not
flying in the air. So it's essentially a difference between aerial hawking
and foliage-gleaning as the incipient flight behavior.
Can you find the hidden words? Take a break and play Seekadoo!
Advertisement: Search for local singles online at Lavalife