[NatureNS] Common Grackle Tail Orientation Question

Date: Sat, 21 Apr 2007 08:32:28 -0300
From: Jamie Simpson <jsimpson@win.eastlink.ca>
To: naturens <naturens@chebucto.ns.ca>
Precedence: bulk
Return-Path: <naturens-mml-owner@chebucto.ns.ca>
Original-Recipient: rfc822;"| (cd /csuite/info/Environment/FNSN/MList; /csuite/lib/arch2html)"

next message in archive
no next message in thread
previous message in archive
Index of Subjects


Just pondering on why the Grackle has evolved with a vertical rudder for a 
tail when most other birds are horizontal?

My understanding of natural selection suggests their must be some 
competitive advantage the vertical  orientation allows the Grackle to 
exploit?

JS 

next message in archive
no next message in thread
previous message in archive
Index of Subjects