Subject: Undulating Flight
Date: Nov 24 17:52:02 1999
From: Caroline Feiss - cfeiss at halcyon.com
I h e a r d s o m e w h e r e t h a t t h e s m a l l b i r d s t h a t f l y t h i s w a y d o s o b e c a u s e t h e y a r e s o l i g h t w e i g h t . T h e d o w n w a r d t h r u s t o f t h e w i n g s s e n d s t h e b i r d u p w a r d a n d t h e n w i t h t h e w i n g s a g a i n s t t h e b o d y o r p r e p a r i n g f o r a n o t h e r d o w n w a r d t h r u s t , g r a v i t y b r i n g s t h e b i r d d o w n a g a i n . A n y t h o u g h t s ?
H a p p y T h a n k s g i v i n g o n e a n d a l l .
C a r o l i n e F e i s s
S e a t t l e
m a i l t o : c f e i s s at h a l y c o n . c o m