Flocking patterns
How to use the shape of a flock to identify songbirds in flight
Contributed by David Allen Sibley
Published:
November 1, 2007
Contributing Editor David Allen Sibley identifies species that commonly fly in cohesive flocks and others whose flocks are more or less cohesive, and explains why flocking can serve as a useful field mark for birds in flight. Accompanying artwork by Sibley depicts how Cedar Waxwings fly in a tight, cohesive group while Yellow-rumped Warblers form a looser flock.
Read more about David Allen Sibley » |
You are currently not logged in. This article is only available to BirdWatching magazine subscribers.
Already a subscriber to BirdWatching magazine?
If you are already a subscriber to BirdWatching magazine you must log into your account to view this article.
If you do not have an account you will need to register for one. Registration is FREE and
only takes a couple minutes.
Non-subscribers, Subscribe TODAY and save!
|
SUBSCRIBE TODAY and get 6 issues PLUS these great online benefits:
-
Birding hotspots
Search for great birding destinations
-
Birding experts
Read information from the best-known, most respected names in birding - Kenn Kaufman, David Allen Sibley, Pete Dunne,
Eldon Greij, Paul Kerlinger, Julie Craves and more - all in one place!
-
Article archives
Browse our collection of articles about great birding destinations.
-
Subscribers and registered users can also:
View photos in the gallery, add comment, or post their own photos; search the calendar of events;
comment on what they read in the editors' blog; participate in the forums; view the Photo of the Week or submit their
own photo for review by the editors; download desktop wallpaper; receive the e-mail newsletter; and manage their accounts online.
|